Akira Ishida plays either effeminate and/or gay male characters fairly frequently, a role usually given to female voice actors, or villains. For the former, this seems intentional, as many of his roles even look similar physically.
Macross Frontier gets her a role as Grace O'Connor, who initially sounds like the caring mother, but things change quickly enough in the second half the series, and in Episode 18 she gets to crank out the evil, sexy voice as she smashes Sheryl's ego into tiny pieces.
Megumi Ogata plays male characters (often Bishōnen) or androgynous women. A famous exception is the willowy Princess Emeraude in Magic Knight Rayearth, and she released a drama track of her conversation with a presumably different kawaiiko character that's actually her doing the other voice.
Mostima is, so to speak, a literal "Dark" "Magical" girl, but not a Dark Magical Girl, being more of a lone wolf, and a very casual and relaxed character.
She has also shown the ability to speak in a Kyoto dialect as Momo-no-sei of Onmyōji.
His 'interact with girls younger than his character' is also very much seen in Gundam 00, as Big Brother Mentor Lockon Stratos interacts a lot with Emotionless Girl Feldt Grace. The catch is, instead of Lockon being interested at her, it was Feldt who ends up having an unrequited crush on him.
Recently we have Miki Shinichiro voicing Hijikata Toshizou in the PS2Otome Game Hakuouki Shinsengumi Kitan. Our heroine Yukimura Chizuru looks...quite young, and is even called a shota for being literally flat...
He has also voiced Sieg from Kamen Rider Den-O, fitting completely into type.
Hikaru Midorikawa's most common roles are quiet, antisocial bishounen types. However, in the Banpresto multiverse, he's cast as a loud-mouthed ignorant jock of a character. In one of the "Preview of Next Episode" savescreens, he imitated Heero Yui, a more standard Midorikawa Hikaru role, and confused everyone.
He was also the voice of Marth in the Super Smash Bros. series, with a much lighter tone to his voice than his usual roles.
If anything, anyone voiced by Midorikawa will usually have an air of 'coolness' around him, something that is exploited to hell and back in Haven't You Heard? I'm Sakamoto. Cool, Cooler, Coolest indeed.
Expect almost any characters played by Ayako Kawasumi to have a 'dark side'. It happened many times... First, her character in Gate Keepers Ruriko Ikusawa had her powers converted to the dark when she's kidnapped, second, Chikane Himemiya in Destiny of the Shrine Maiden snaps and converts a Mecha into evil while submitting to a dark god, though to be honest, it's just a huge Gambit Roulette to her, and lastly one of the routes in Fate/stay night had Saber get defeated and turn to... Saber Alter.
However, she seems to have bucked the trend with her most recent role as Saki from To Love Ru, who doesn't seem to have a true dark side (as far as we're concerned...)
Doesn't Akari in To Heart precede Saki here? By ten years?
Kaori's Wangst in Kanon 2006 doesn't count as a dark side, right?
Nobuyuki Hiyama has a lot of range from deranged villains to cool and calm characters, but thanks to his role as Guy Shishioh, and Breakout Role as Hiei, fans noted that his common roles are hot blooded characters. He is also notable for being the "voice" of Link in Ocarina of Time.
Considering that whenever a hot blooded character voiced by Hiyama Nobuyuki starts yelling about something, they start sounding like Guy, (and that he has also done the voices of Ikkaku Madarame and Viral) it's not exactly surprising he gets picked for the hot blooded roles: it doesn't matter what the voice sounds like normally, as long as it starts sounding like Guy when he starts yelling, it will ALWAYS be epic.
The guy seems incapable of yelling in deep voice. He always yells like Guy, even if his voice jumps three octaves in an instant to get. Not that it's not awesome mind you.
Junko Takeuchi, thanks to her role as Naruto, has been often typecast as goofy young boys.
Hokutomaru in Garou Mark of the Wolves, Dieter from Monster, Gon Freeces In Hunter × Hunter, and Mamoru Endou in Inazuma Eleven.
She's also the Japanese dub voice of Gumball Watterson, who, albeit being rather ditzy, is more of The Cynic than her other characters as of Season 2.
Yuu Asakawa. It's not seldom that she'll play characters who are the most well-endowed between the cast, thereby turning her to be the candidate of the series' Ms. Fanservice. If the series is full of Ms Fanservices already... let's just say she'll be one of the top Fanservice providers.
Ms. Asakawa's ex-husband, Shoutarou Morikubo, has also fallen into typecasting, mostly as bad-tempered guys who switch back and forth between Jerkass and Jerk with a Heart of Gold types. Look no further than Akaya Kirihara from The Prince of Tennis or Krylancelo Finrandi aka Orphen from Sorcerer Stabber Orphen.
He's also Shikamaru Nara, who tends to be a jerkass with women.
Yuko Miyamura tends to be cast in the roles of reckless, loud, and boastful young women, such as Aisha Clan-Clan of Outlaw Star and Asuka of Neon Genesis Evangelion.
Before those big roles as all-powerful mini-lady however, she was cast as an all-powerful mini-lady Tsuzura in yuriVisual NovelAkai Ito, which was released in 2004 (Shana was aired in 2005). Think Nagi, but with Onmyōdō magic. And now you know.
Even the amateur voice acting world isn't exempt from this. Hideki does Harem Genre leads, Satouberri does cute squeaky girls...
Tomokazu Sugita may be falling towards this as he becomes known for playing snarky and sarcastic male leads. But then there's Baccano!!'s utterly deranged homicidal mechanic/gang leader/killer, Graham Spector. And the completely serious and professional (when he's not banging his subordinate) Leon Mishima of Macross Frontier.
Ryūsei Nakao has been typecast as cruel, quirky, disturbing, sadistic men (mostly villains) with high pitched voices, including Freeza (and his brother, Cooler, and his counterpart, Frost), Mayuri Kurotsuchi in Bleach, Him in Powerpuff Girls Z, Caesar Clown in One Piece as well as Farfarello. He, however, is capable of other types of roles; notably, he sang a very sweet love song with fellow seiyuu Junko Iwao. Strangely enough, he also happens to be Buster Bunny and Yakko Warner from Tiny Toon Adventures and Animaniacs respectively in their Japanese dubs. That's some creative casting there.
Junko, you say? Makes you wonder if that role as Tatsuya Sudou in the Persona 2 games wasn't just coincidence...
Voice actress Yuki Kaida has been more or less typecast to play soft-spoken teenage boys with hidden agendas or skills, like Shusuke Fuji from The Prince of Tennis and Kurapica from Hunter × Hunter (whom she even plays in the musicals). One of the few different roles she has been casted as is the gentle and troubled Machi Kuragi in the Fruits Basket CD-dramas.
Don't forget Tsukasa Futaba from Ryuusei No Rockman; the fact that he's also known as Gemini Spark should clue you in on his double nature...
Generally, when she doesn't play soft-spoken boys, she plays kind, sisterly characters.
She has a pretty wide range, though. In just The Prince of Tennis, she plays three different characters. One is Fuji Syuusuke, and another is his older sister Yumiko. They sound fairly much alike, although Syuusuke has a slightly deeper tone. But the most surprising thing, is that she also voices the otherwise masculine youngest brother Yuuta (though only in a flashback of when the siblings were younger).
Yūko Gotō often plays girly Moe characters like Mikuru from The Melancholy of Haruhi Suzumiya. Ironically, Goto (aka "Gotouther-sama" after a character from Fist of the North Star, of which she is a fan) is apparently a hardcore biker in real life. Parodied in Lucky Star, in which she appears as an intimidating, hypermasculine Yakuza-style biker, then zooms off on her motorcycle making cutesy "vroom, vroom" noises.
These days, however... it seems she is set to not only Moe characters, but also Yandere characters. If Anya Alstreim is telling you something...
However, this one would count more as a subversion because his voice varies in this role, going from completely playing his type to "holy crap, how can that be the same person?"
And if that wasn't enough, check out ANY episode of his radio show with Hiroshi Kamiya or ANY live events with him and behold his dorky personality in real life.
She voices two characters from Destiny of the Shrine Maiden: Mako-chan and crazy-nun Miyako. Mako-chan's voice probably fits more closely to her regular roles...
If you want a good seiyuu for a female character older than 30? Go to Masako Katsuki. She started with Naïve Everygirl (like Maya Kitajima form Garasu no Kamen) or Cool Big Sis (like Reccoa from Zeta Gundam) roles, but ever since she played Michiru aka Sailor Neptune in Sailor Moon she's been playing older ladies.
She played some older ladies before that, too; take Ikari-sensei from High School Kimengumi in the 1980s.
Fumihiko Tachiki is well-known for his work voicing sinister older villains, who usually share very personal connections to one or more of the main characters. This also usually goes hand in hand with his roles' tendencies, if they have children, to be at best distant or at worst downright manipulating and bad fathers. Most famously, of course, is Gendo Ikari from Neon Genesis Evangelion, but he has also played Kratos Aurion from Tales of Symphonia, Odin from Odin Sphere and Zaraki Kenpachi from Bleach. And even young comic relief Boss from Mazinkaiser. To sum it up, he's a very good choice for Big Guy type of characters, even moreso if they have a veteran-ish aura.
Uh, just a sec, those guys (Gendo, Kratos, Odin, Kenpachi) are fathers or sorts, right? (Well, Kenpachi is no father, but he DOES adopt Yachiru...). Not to mention they also have a 'bad' image painted on them...
And then, in an apparent parody, he plays Hasegawa in Gintama, a middle-aged man who lost his prestigious job and family (thanks to the heroic speeches of the main character) and is frequently called a no-good, worthless old dude. The fact that Hasegawa resembles Gendo to an extent makes it all the better.
You also have to consider Kasai from Higurashi: When They Cry. He's gruff and is technically yakuza but he's definitely a good guy (and an awesome one, at that), as well as a father-figure of sort to Shion.
He's also the Japanese voice of Yondu Udonta, a ruthless space pirate who's also a good guy, having raised Peter Quill as his own son after learning his birth father was a child-killing monster (or, as he once put it, "a jackass"), and ultimately sacrifices himself to save Quill's life.
George Nakata = Villain. That's all that needs to be said. Granted, some of those villains are also protagonists, like Alucard in Hellsing, but villains nonetheless.
A slight exception: Nakata was behind the voice of Sonic Adventure's E-102 Gamma.
Hideyuki Hori, though not as much as obviously seen, seems to be a rather popular choice for ninja characters. Including Ryu Hayabusa in Ninja Gaiden and Dead or Alive, Schwarz Bruder in G Gundam, and in the crossover Namco X Capcom, he plays Team Commando's resident ninja Sho/Ginzu.
If you see Show Hayami's name in a cast list, take extra caution. If that character seems like affable and attractive, there is a chance that he'll turn out to be the worst man in existence (case in point, Dr. Kazutaka Muraki in Descendants of Darkness, Masami Eiri in Serial Experiments Lain, and Sousuke Aizen in Bleach). He also plays straight socio/psychopaths just as often.
Kumiko Watanabe comes in two flavors: If she's playing a boy, she's most likely to play young heroes(doesn't need to be main) or Bratty Half-Pint in general. If she's playing a female... then just be ready that her character may turn out to be the worst bitch in the series (Hello, Katejina Loos).
She can also play screwball characters, as she played Woody Woodpecker in the dub of his 90s TV series.
In a weird variation of this trope, two of the main characters of One Piece were designed with their voice actors in mind. More impressive in the case of Mayumi Tanaka (Luffy), since there was no guarantee that the series would even receive an anime adaptation, while Kazuki Yao (Franky) had voiced several characters in One Piece after it had already been successful.
Speaking of Mr. Yao, it seems he likes to do "crazy" characters: bar Franky, his others in One Piece were Mr. 2 Bon Clay and Jango.
Yūichi Nakamura tends to play guys who, for a lack of better description, are jerks. Usually with hearts of gold underneath. We have Okazaki Tomoya from CLANNAD (a jerk who quickly softens up for his various love interests), Abe Takaya from Big Windup! (a jerk who doesn't realize that yelling at his shy, meek pitcher isn't helping said pitcher's self-esteem any), Alto Saotome of Macross Frontier (a jerk who has trouble recognizing other people's kindness toward him, especially if they happen to be his love interests), Ikuto Tsukiyomi of Shugo Chara!, etc. Meanwhile, Yuuki Terumi takes this pidgeonhole to psychopathic levels.
He also completely, absolutely plays against his type with Ringo Tsukimiya. It was such a subversion to his usual work that multiple people questioned him about accepting the role beforehand. No, seriously.
If egocentrism counts as being a jerk, then Beet J. Stag could count as an example.
At the same time, Nakamura also played a noticeable number of times fathers and especially olderbrothers (or even younger brother in Wata Mote), which is characteristic, the latter predominantly in Brother–Sister Incest series or playing with this. Put a plus if in a similar work also plays Saori Hayami as one of his Love Interest.
He does quite well with goofball characters as well. Want an example? How about Teddie? Or Shigechi? Could Bugs Bunny count?
Hitomi Nabatame is a versatile voice actress, doing stuffs from young girl, graceful princess, outgoing girls or characters. However, if there's several things she's most known for, it's either her Hard-Drinking Party Girl roles, or roles that have Les Yay painted in it. She may be even like this in real life.
Lately he is quite suited to roles of cold covert killers such as Setsuna from Gundam 00 and Vampire Knight. Death the Kid, even if not cold all the time, could count as well since he is the son of the Shinigami.
Sometimes, a voice actor is pigeonholed into one type, but as time passed on, he/she is pigeonholed in another type and almost abandons their old pigeonholed types. The example of this is Aya Hisakawa, known as young, mostly spunky girl characters, especially Ami Mizuno/Sailor Mercury, Skuld, and Chai Xianghua. But as time passed, she finds herself pigeonholed into mature women that knows her stuffs, such as Maya Natsume, Retsu Unohana or even StripperifficMs. FanserviceJudith. This is also somehow reflected in her old pigeonholed types — the recent Ah! My Goddess series features Skuld with an older form, and Hisakawa left Xianghua's role after Soul Calibur III.
Natsuko Kuwatani is mostly known for absolutely loyal henchwoman to whomever she works for rather then the actual cause her master follows and rarely cares for anybody else. Kasuga in Sengoku Basara, Sette and Arf in Nanoha are good examples of following her master to the ends of the earth and often hints of a romance of them (some more blatant then others). Just call her Natsuko Kunoichi in that case.
Does cutesy Suiseiseki count as the part of 'loyal to the master to the end of the earth' part, DESU~?
Shizuka Itō is known for her refined sexy personality (she does do hentai after all) and is often seen working with girlfriend Hitomi Nabatame (they have a good relationship, and apparently they are girlfriends if Hitomi's blog is to be believed) and the ability to go between romantically teasing or generally stoic and serious. Rest assured, she is a skilled femme fatale who is on fire (or at least her element in animes like Shakugan no Shana)
Soichiro Hoshi is often the younger partner of Akira Ishida. Aside from that, he plays normally passive characters with hidden berserker streaks to him such as Kira Yamato from Mobile Suit Gundam SEED franchise and Brooklyn from Bakuten Shoot Beyblade. His roles often carry sticks or similar stick-like weapons to battle. Beamspam Jesus has nothing on stick smack Jesus.
Kazuma and Keiichi Maebara may be considered inversions. Both definitely have berserker sides to them, and Keiichi has a baseball bat as a weapon but Kazuma is openly loud, brash and violent while Keiichi is a loud, perverted dork who only becomes violent when he falls victim to the Hate Plague.
Ditto Masaru, who is made of hot blood and punches out fifty-foot giant chickens in his spare time. And Sanada Yukimura is basically the former dialed up to eleven.
And then there's Shu from Dragon Ball who completely goes against his usual type as a tiny little humanoid dog who's often victim to whatever comic abuse comes his way.
Miyu Matsuki has a reputation of being cast for death with Mecha roles, aside from that she is a well known Yuri typecast.
Mitsuki Saiga mainly plays male roles despite being a female seiyuu. Many of the roles she plays is mainly as protectors but when she also has to play a villain as well, it becomes a Well-Intentioned Extremist character. Example is Makubex from Get Backers. And if she doesn't play boys, she plays Action Girl types, like Jun from the Mazinkaiser OAV.
Marina Inoue when doing major roles is mostly cast in the Ojou role most of the time. While not always of the lady in fine dress theme, there is a generally air of being a woman with a duty. Examples are Yoko, Petra and Alicia. And did we mention that these characters are pretty handy with their guns?
Subverted in Skip Beat!. Kyoko dreams of being an Ojou or a Princess but is also a poor aspiring actress lusting for revenge (and has the evil aura to prove it).
She has three roles in Onmyōji, out of which Hōōka is probably the closest to her type. The other two roles are Oguna who is a boy and Gaki the Creepy Child.
Most characters voiced by Nozomu Sasaki end up creepy or evil or both. These include characters like Tetsuo (and his very obvious ExpyK9999), Mello, Olba Frost, Enishi Yukishiro, and the worst of them all... Johan Liebert. The only exception is Yuusuke Urameshi, but that's just ONE breakout role compared to his whole lot of... that type of character.
Sasaki himself is probably a good example of someone who switched typecasts — he used to play a lot of sweet-voiced young boys and now does more creepy evil types. There were even rumors in Japan that he'd had some kind of surgery or injections to alter his voice. In Legend of the Galactic Heroes, which was made over a period of several years, try comparing Julian's voice at the beginning and end of the series to hear the 'change' (although arguably this could just be an example of acting, as the character had grown and matured).
Sasaki started smoking at some point, which is the cause of his deeper/raspier voice in later series.
Need a Tsundere Idol? Try Sakura Nogawa, often her roles will interlace with something idol related, famous roles includes Tsundere Tsubomi from Strawberry Panic!, Shiho from My-HiME and being one of Gust (Creator of the Atelier Series) newest talent to rely on. She has been cast in every Ar tonelico series so far. The only exception of this might be Hinaichigo from Rozen Maiden.
Kenichi Suzumura plays a lot characters whom knows or have the worst luck examples are Strawberry 100% and Gundam SEED Destiny, don't feel bad though, at least the VA gets to be quite close with Hitomi Nabatame... His characters also tend to be very loud, childish or rude and scream a lot (think Shinn Asuka in SEED Destiny or Chika Akatsuki in Zombie Loan)
But then he also provides the voice for Shiromujō from Onmyōji, a gentle, calm and well-mannered guy who constantly calls out his brother's rudeness.
Hiro Shimono most notable typecast as a lead is seen as a somewhat meek person with a good sense of artist touch within him. His characters are usually pretty good at art or something culturally creative. Ayato Kamina is one such example.
Mobile Suit Gundam and its spin-offs just can't get along with Pretty Cure at all. Almost every VA whom had at least one stint with Gundam went on to be a villain in Pretty Cure. The only exception was Romi Park (Turn A's Loran Cehack).
Her versatility in voice acting really shows as recent anime also delegates her into Ax-Crazy roles like Rize Kamishiro from Tokyo Ghoul and Cute and Psycho roles like the aforementioned Sengoku Nadeko and Akame ga Kill!'s Seryu Ubiquitous.
Bizarrely enough, he voiced the author of the original manga in Excel♡Saga.
But then, there are his namesake police detective, and Detective Boys group member Genta Kojima.
Hiroaki Hirata has recently lamented that, after ten years building a reputation as anime's "pirate seiyuu," (Sanji, Benny, Balthier, Captain Jack Sparrow, etc.), it took exactly one role (Kotetsu T. Kaburagi from Tiger & Bunny) for him to lose this title and instead become known as the "oyaji seiyuu."
Chiaki Takahashi is mostly known for her roles as Ms. Fanservice (occasionally overlapping with Cool Big Sis) or the one who is considered sexiest on the cast, considering she is a gravure idol. However, in a subversion, the personalities of her characters could differ from ditzy (Azusa), kind and nurturing, if conflicted (Litchi), utterly flirtatious (Haineko), and... well a lot more, but they always held the 'Sexy' part well.
There is one notable exception, though: He voiced Sebas Tian, the soft spoken and kindhearted butler of Overlord. Still, said exception is occasionally averted (usually in the Ple Ple Pleiades Shorts).
Issei Futamata's most common roles tend to fall along two types. One usual type would be him being cast as squeaky-voiced nerdsand/orgenerally unlucky young men (that may or may not also be a bit unstable). The other common typecasting involves him voicing random mooks and corrupt businessmen, or other villains just as sleazy.
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