She's also a good artist who posts occasional videos of herself drawing fanart, and she has a side-channel named Relaxajin for calming Let's Plays.
The work of this reviewer provides examples of:
Achievements in Ignorance: Her lack of experience with Pokemon has led to her pursuing some of them that more experienced players usually dismiss, leading to surprising successes with Audino and Bibarel among others.
All Girls Like Ponies: Plays up an exaggerated version of this stereotype, and during her Barbie Horse Adventures LP, and squeals in a vaguely suggestive way over her horse. (She apparently actually does like horses, though, and even owned one once.)
Black Sheep Hit: Her blind Paper Mario 64Let's Play is her most popular project, and drew a lot of new watchers to her channel. However, its sense of humor is incredibly dirty even by her standards, as is the fact that it's so over-the-top humorous to begin with. So when she announced Journey, a number of her newer watchers expressed surprise that she would choose such a serious game—despite the fact that she's done a number of more serious projects, such as Shadow of the Colossus and ICO.
Buffy Speak: Mainly in the form of "It's a thing", "Is this a thing?", "Why is this a thing?" etc.
Camp Straight: In Ocarina of Time, she sometimes inserts her own dialogue for Link (aka "Fuck me") in a voice slightly resembling that of a Sassy Black Woman, but so far she's only had him flirting with the ladies (as much as bragging about having an incredibly large penis counts as flirting anyway).
Character Development: Near the beginning of Pokemon White, she ruthlessly mocked it to no end and never took anything in the game too seriously. However, while still keeping her goofy and comedic nature, she stated that she had grown to genuinely appreciate and enjoy her experience by the end of the main story-line.
Cherry Tapping: She deliberately kept the basic move Tackle on Joshtheslt in Pokemon White for a long time so she could do this to nearly-dead opponents.
Crosses the Line Twice: Invoked in some of her LP's, when she gives characters voices based on various outdated caricatures. In addition to lamenting the fact that she can't think of anything better and is thus offending everyone, she tries to play it up enough that it goes straight into ridiculous.
Dirty Old Man: She has her suspicions about... pretty much every old man in Paper Mario 64.
Disney Death: For a brief moment in Journey, it looks like the White Cloak is going to get eaten by a rock snake. But they escape just in time, for which Lucah is thankful.
Again in episode 61 when she fights the X-Yux. It takes up almost half of the episode.
Erotic Eating: Lucah, Donnabellez and Attacking Tucans all do it in her "Project Brave Heart" charity livestream as a challenge - Lucah with a taco, Donna with a banana and Tucans with a slice of pizza.
Evil Brit: She gives British accents to many villains in games that lack voice acting. Bowser was the first with an exaggerated Cockney, Grodus has a more realistic one, and Ganondorf has a very light hint of one. She also refers to Kammy Koopa as "Queen Elizabeth II," and reads all of her lines in an exaggerated version of the Queen's voice.
"I somehow managed to miss the ONE trick, that everyone told me about, that would have made that boss fight easy."
During Ocarina of Time, she sometimes gets stuck due to her failure to check the map, the A-button commands, or Navi's C-up alert, all of which are plainly visible on-screen.
She also apparently doesn't know she can press Z and R to toggle more quickly between the pause menu screens, even though there are arrows labeled "Z" and "R."
invokedInverted during Ocarina of Time's Water Temple, where her compulsion to explore leads her to find two obscure keys without any help from her Sage, who refers to said keys as "the bane of everyone's childhood" and the very reason the Water Temple is so widely regarded as That One Level.
She and JoshJepson can't wait to name their horse something immature in the Barbie Horse Adventures LP. They find out the game only allows you to choose from a list of pre-set names, but they insist their horse is named "My Balls" anyway.
They also named their game file "Dickbutt."
Barbie's friend, Theressa, is called "Vagisil", and her baby horse at the end she delightfully names "My Penis".
The theme continues in the sequel with the aid of fan suggestions, leading to horses named "Your Virginity", "President Haemorroid" and "Fappy Cow" among others. And all the foals are named after venereal diseases.
She similarly abuses the nicknames in her Pokémon White LP, including an actually "official" My Balls.
Large Ham: She has a distinct "deep voice" she uses when she's being over-the-top. She's also one LPer who isn't shy of showing her face online, and she hams it up in front of a real camera, too.
Larynx Dissonance: In Paper Mario 64, she gives Tayce T. a very deep "old man voice." She has no idea why she does this, but sticks with it due to Rule of Funny. (OK, so she's female herself, so it's kind of a zig-zag.)
Marathon Boss: In her Ocarina of Time LP, she spent well over forty-five minutes fighting Dark Link, even with Liam's help.
Memetic Badass: In-Universe, Boobarel the Bibarel. It single-handedly took down Cynthia's Spiritomb after it KO'd the rest of Lucah's team, despite Boobarel having the lowest level out of any of her Pokémon. Spiritomb had used Double Team six times to make itself nigh-untouchable, but thanks to Boobarel's Unaware ability, all of Spiritomb's boosts were cancelled. Boobarel landed Waterfall after Waterfall while Spiritomb couldn't do anything in return besides burn Boobarel. Not bad for an HM slave.
Mentor: In her Journey LP, the White Cloak. In addition to being Lucah's partner through most of the LP, they show her many secrets she hadn't found before.
Mythology Gag: In Pokemon White, she gives some of her Pokemon the same names as some of the horses from the Barbie Horse Adventures LP's.
Older than They Look: Is 37 years old. Could easily pass for a decade younger. In a bit of an unintentional Running Gag, this always newly astonishes a large number of commenting fans every time she shows herself on camera.
Only Known by Their Nickname: Even when she appears on camera herself, or in videos at cons, she is almost always referred to as Lucahjin or simply Lucah.
Perverse Sexual Lust: For N from Pokemon White, to the point that she acts as though all their battles are dates.
Platonic Life Partners: She's very good friends with fellow LPers NintendoCapriSun and JoshJepson, and they co-op often. One question in her channel's FAQ section is if she and NCS, Josh, and any number of other famous LPers are dating. The answer is a firm "No."
Plucky Girl: During her fight with Pelagia in Shadow of the Colossus, not only does she express open disdain for the colossus, but she also had multiple failed recordings and was drunk at the time. She also tried to use a nonconventional method to beat the colossus to prove it could be done. Despite failing, repeatedly, she kept with it and eventually won.
Power Creep, Power Seep: When she participated in JoshJepson's Mario Kart anniversary celebration (as well as MrRepzion and Super Jeenius) she did badly on all the more recent games, but very well on the SNES original as she grew up playing it.
A lot of videos include her commenting "if you can hear X in the background, it's Y", usually being the antics of either her cat or her neighbours. Almost invariably the sound isn't audible on the recording, which only makes it funnier.
The name "My Balls" seems to be one, seeing as how she named a horse in her Barbie LP this, and would go on to use the same name for her Zebstrika in Pokemon White and her baby Yoshi in Paper Mario: The Thousand-Year Door.
When reading out in-game instructions, replacing any reference to buttons with "blah". JoshJepson does a similar joke, it's not clear whether they came up with it independently or not.
In Pokémon White, reacting to the game text "What will My Balls do?" with "What will you do, My Balls?" in a pompous tone.
Also from Pokemon White, when she gets a gym badge, singing "We got a thing, it looks like a thing, and we put it in our birth control case!"
A third from Pokemon White is semi-singing "Quick Claw is the best!" whenever that item activates and lets Snuggltits go first. By the end of the LP she's saying that she expects her viewers to be saying it along with her.
Her secondary channel, Relaxajin, is devoted to low-key and meditative Let's Plays that help viewers relax and fall asleep. Her very calm and laid-back voice is a departure from the more over-the-top persona she uses in her regular videos.
On her main channel, she sometimes mixes comedic blind LPs full of immature humour (e.g. Paper Mario, Pokemon White) with serious LPs of games she knows and loves (Journey, Suikoden 2).
Springtime for Hitler: In Pokemon White she keeps one-hit-killing the final Pokemon of gym leaders so she never hears the last-Pokemon music. After a while she tries using deliberately bad choices of moves to try and hear the music for longer, but it always seems to somehow result in another One-Hit KO.
In Ocarina of Time Blind the horrors of the Water Temple are talked up by her fans and guest commentator LiamSixx...but while Lucah has trouble fighting Dark Link and with her hydrophobia, she manages to completely miss all the usual new-player pitfalls like finding all the keys and getting the trick to beating the boss.
Squee: She loses it upon learning that she can name the Yoshi partner in Paper Mario: The Thousand-Year Door... and that there are exactly enough letters for her to name him "My Balls."
That's What She Said: She uses both this catchphrase and the variation "...just like all my first dates!"
This Is Gonna Suck: Her reaction to the Water Temple in Ocarina of Time, because she hates water levels in general due to her fear of drowning, and because her fans had already been hinting how hard it was.
Lucah's sage, LiamSixx, says this shortly before she enters the Temple's waterfall-platform room: "You're gonna take one look at that and be like, 'Ah shit.'"
She often abbreviates her name, Risa, to "Reese." In one of ProtonJon's livestreams, Lucah said that she only lets friends call her Reese, and that only her mother can get away with using her full name.
Her username is a more obscure example, as she has said it comes from combining the (female) character Lucca from Chrono Trigger with -jin, which is a masculine name suffix modifier in Japanese.
Too Awesome to Use: Acts this way towards healing items in the Paper Mario games, referring to using them as 'wasting' or 'burning' them even when it's in one of the final boss fights of the game!
In Pokemon White, she mistakes Clay for an Awesome Aussie and voices him accordingly, despite him being dressed as a cowboy and his heavy use of Deep South slang. Later, she voices Skyla as a Southern Belle, and makes a point of mentioning how the southern accent should have gone to Clay instead.
Also in Pokemon White, she can't tell the difference between male and female Team Plasma Grunts from their sprites, making her guess which gender to voice them as and causing her some frustration when the battle starts and she sees that she keeps guessing wrong.
Her and JoshJepson's incredibly immature take on Barbie. Numerous commentators have noted they pity the poor little girl who just wanted to watch someone play a Barbie game... Lucah herself eventually added a disclaimer to the video saying it was definitely not for kids.
Amusingly, at PAX East 2012, she gave away a "MAH BALLS" t-shirt to... a little girl. Who had indeed seen the videos. (OK, so she wasn't that little—she was probably around 13—but still.)
In her Pokemon White Blind LP, she really hates encountering Timburr, Gurdurr and Conkeldurr, due to the bizarrely massive veins around their bodies.
Redeads in Zelda games terrify her.
She has aquaphobia, which makes her terrified to tackle Ocarina of Time's Water Temple.
With Lyrics: She sings several different sets of Toilet Humour lyrics to the upbeat Pokemon Centre music in Pokemon White (some of which were submitted by fans). At one point she also hummed wordlessly along to the Tetris theme music but replaced the last two notes with "...MY BALLS!"
You Bastards: Says this to the people who had her play Can Your Pet?