Examples of "Do It Yourself" Theme Tune in Western Animation
- 6teen has the theme song sung by characters Wyatt and Jude.
- The theme song for Abby Hatcher is sung by Abby Hatcher herself. In the second season, the Fuzzlies join in as well.
- In the German version of Alfred J. Kwak, the titular character (voiced by Ryan van den Akker) is heard humming the show's theme song alongside series creator Herman Van Veen. While the credits for the Dutch and Germans dub has Alfred singing "Zo Vrolijk" ("Warum bin ich so fröhlich") with Van Veen singing a few lyrics.
- The theme song for Atomic Betty was sung by the title character's voice actress, as well as many other songs featured in the show.
- Brendon Small was responsible for nearly all the music on Home Movies, including the theme song. He also writes the music for Metalocalypse and voices three of Dethklok's five members, including lead singer Nathan Explosion.
- Razzberry Jazzberry Jam: The show’s opening and ending theme songs are both performed by the Jazzberries. One episode even shows that the ending theme is how the band closes off their in-universe performances.
- One of the DVD commentaries for Futurama has Billy West (in character as Fry) state that the theme song needed lyrics and sing the word "Futurama" in time to the music over the end credits.
- The Disney series Pepper Ann has Kathleen Wilhoite, voice actor for the titular character, sing the theme song.
- Razzberry Jazzberry Jam: The show’s opening and ending theme songs are both performed by the Jazzberries.
- The first run of American dubbed episodes of Bob the Builder have William Dufris, original American voice actor for the titular character, sing the theme song.
- The original UK version had its theme tune sung by Neil Morrissey.
- It is revealed in the 2000 music video that Bob himself actually sang the theme song.
- The original UK version had its theme tune sung by Neil Morrissey.
- The VeggieTales theme song is sung by the show's cast.
- Sonic Underground, to the extent that a single spoken line in the middle of the song from Queen Alina ("I long for my children but I have to wait. To act too soon could seal their fate.") is done by that character's voice actress.
- As Told by Ginger's theme was done by Ginger's voice actress, Melissa Disney, for the pilot episode, but was replaced by Miranda's voice actress Cree Summer and later R&B singer Macy Gray. In the US, the first few episodes used the Summer theme, but was soon changed to the Gray version even for reruns of the first episodes.
- Littlest Pet Shop (2012) has Ashleigh Ball singing the theme song as her character, Blythe Baxter.
- The New Adventures of Winnie the Pooh has a version of the opening sung by Jim Cummings, out of character.
This intro was mainly heard in syndicated reruns during the early 90s. - My Little Pony: Friendship Is Magic'
- Except where the individual main characters chime in with their solo lines, the majority of the theme song (and all of the two-minute version) is sung by Rebecca Shoichet (Twilight Sparkle's singing voice) and Shannon Chan-Kent (Pinkie Pie's singing voice).
- The Japanese dub also falls into this, as the first and third openings, "Mirai Start" and "Yumemiru! Shinjiru! Mirai Kanaete!" are sung by Pinkie Pie's dub VA, Suzuko Mimori.
- Bella Ramsey, the voice of Hilda, wrote and performed a song called "The Life of Hilda" which is a fun combination of this trope and a "I Am" Song which talks about Hilda's everyday life. While the song is released on Youtube on November 25th, the song was featured as a stinger at the very end of the credits of "The Beast of Cauldron Island". Bonus points for it being sung in her character's voice!
- The theme for Family Guy is sung by the voice actors of the Griffin family.
- Also, Mike Henry, who voices Cleveland, appropriately sings The Cleveland Show theme.
- Seth MacFarlane, as Stan Smith, sings the American Dad! theme song.
- The theme song from South Park features lines by Stan and Kyle, Cartman, and an unintelligible one by Kenny. (the latter replaced by Timmy singing his own name in season 6)
- Jane and the Dragon has Jane singing part of the theme song.
- The Hong Kong Phooey theme song was sung by his voice actor, Scatman Crothers.
- Dastardly & Muttley in Their Flying Machines: Paul Winchell performed the theme song in character as Dick Dastardly.
- Animaniacs. The theme song is mostly sung by the Warners, with the last set of lines sung by the entire cast. In the revival, only the Warners sing the entire song, since most of the other cast members are now gone.
- The Season 3 outro of Amphibia is a vocaloid remix of "Anne's Theme" performed by Brenda Song, Justin Felbinger, Bill Farmer, and Amanda Leighton, which remixed lines from past episodes including the classic, "Not the baby!" from "Marcy At The Gates".
- The Mask not only has the theme performed by Rob Paulsen, but the way he sang almost sounds similar to Yakko's...
- The Tiny Toon Adventures theme song is technically another crowd song, but is mostly sung by Buster and Babs Bunny (no relation), with Plucky joining in for a few lines.
- The theme tune for Watch My Chops uniquely combines this with Expository Theme Tune: Corneil (a talking dog) starts out singing the theme tune on his own, until dogsitter Bernie comes in, realizes Corneil can talk, and most of the rest of the song is a duet that sums up the premise of the show (Bernie must hide the fact that Corneil can talk from everybody else).
- The theme song for Hammerman is sung by MC Hammer himself.
- The theme for The Cat in the Hat Knows a Lot About That! is written and sung by the show's music composer David Schweitzer who sings in an American accent.
- Adventure Time:
- The regular theme is sung by creator Pendleton Ward, who also voices some characters, mostly notably Lumpy Space Princess.
- Each of the three miniseries has a Special Edition Title where the theme is sung by the character most in focus: Marceline in Stakes, Finn in Islands, and Princess Bubblegum in Elements.
- The Japanese dub has the opening performed by Finn and Jake's dub VAs. Becomes funny when you remember Finn's dub voice is Romi Park, the voice of Edward Elric.
- Tangled: The Series uses a shorter version of "The Wind In My Hair" from the pilot episode as the show's intro, sung by Rapunzel's voice actor, Mandy Moore.
- Sofia the First is another one to mash-up this and Expository Theme Tune, as the title song is done by Sofia's voice actor, Ariel Winter.
- The Casagrandes's theme is sung by Izabella Alvarez in character, joined by Ally Brooke as part of a duet as well as Ronnie Anne's family. You can't have a good family theme song without your familia.
- The theme for Steven Universe is sung by the main cast, in-character. Due to the diegetic nature of many songs in the series, it is even part of the show's canon, as a song that the titular character wrote as a child.
- The Hair Bear Bunch theme is performed by the voice actors of the bears—Daws Butler (Hair Bear), Paul Winchell (Bubi), and Bill Calloway (Square).
- The theme for The Scooby Doo-Dynomutt Hour (1976) originally had the voice actors (Frank Welker, Casey Kasem, Pat Stevens, Heather North) performing the theme. When the Scooby episodes were prepped for syndication in 1980, the opening was revamped without Dynomutt and the voice actors replaced doing the theme (with new lyrics) by unidentified performers.
- When Dynomutt got his own half-hour, the theme for it was expanded from the segment intro on Scooby-Doo/Dynomutt and was performed (spoken) by the two main voice actors, Gary Owens and Frank Welker.
- Grojband frontman Corey Riffin gives us a catchy little expository tune at the beginning of each episode to explain what his band does.
- Caillou's theme song is sung by the titular character.
- LittleEinsteins's theme song was sung by the main four characters.
- The opening to The Ghost and Molly McGee is performed by Ashly Burch (Molly) and Dana Snyder (Scratch). Molly sings about how Scratch is stuck with her forever and Scratch goes on about on how it will go wrong.
- TeamUmizoomi's theme song is performed by the main three characters!
- Star vs. the Forces of Evil: The ending theme for the first two seasons is performed by Star's voice actress, Eden Sher. Bonus points because it feels like an anime ending (both visuals and song-wise).
- Chowder's theme is sung by its main cast in-character. Since this includes Shnitzel, one of the lines ends up being "Radda radda radda, ra-ra radda radda!"note
- The credits song from Rugrats Go Wild! is performed by E.G. Daily and All Grown Up!'s opening theme is performed by Cree Summer, both out of character.
- The opening theme of the 1997 Pippi Longstocking animated series, "What Shall I Do Today?", is performed by Pippi.
- Peg and Cat almost entirely sing the Title Theme Tune of Peg + Cat, save that off-screen kids sing the parts with the numbers and also join for the final shouting of the title.
- In Ella the Elephant, the theme song is sung in-character by Ella, though some of the other characters join at times.
- The theme to I ♡ Arlo, which is simply an abridged version of "Beautiful Together" from the Pilot Movie, is indeed performed by Arlo's voice actor Michael J. Woodard.
- Sheriff Callie's Wild West has its theme mostly performed by its title character, Sheriff Callie. "Hey, I'm Callie, and I'm the sheriff, got my badge here on my vest!"
- The CatDog theme was written and sung by Peter Hannan, who also served as the show's executive producer and main character designer.
- The theme song to Milo Murphy's Law is performed by "Weird Al" Yankovic, Milo's voice actor.
- The theme song for Beat Bugs, "All You Need Is Love" by The Beatles, is performed by the show's main cast.
- In 1989, John Candy created and starred in an animated series called Camp Candy. He also sang the show's opening theme song.
- The theme song to Scaredy Squirrel is sung by Scaredy himself, though not really singing, but rather scatting the instrumentals.
- Doki 's theme song is sung by him and his friends.
- Ready Jet Go!'s theme song is sung by the creator, Craig Bartlett, and part of it is performed by the characters.
- Though it's not the case with the actual show, stage productions of PAW Patrol often have Ryder perform the theme song, replacing the line "Ryder and his team of pups" with "Me and all my team of pups".
- The Japanese version of the theme is performed by the voice actors for the pups.
- The theme song to Butt-Ugly Martians is sung by Charlie Schlatter, Rob Paulsen, and Jess Harnell, who are the respective voice actors of B-Bop A-Luna, 2T Fru-T, and Do-Wah Diddy.
- The theme song to Dr. Zitbag's Transylvania Pet Shop is sung by Dr. Zitbag, his skeletal canine companion Horrifido, and his love interests the Exorsisters.
- On Fancy Nancy, Nancy's voice actress, Mia Sinclair Jenness, performs almost all of the theme tune, "Add a Little Fancy."
- A strange example happened with SpongeBob SquarePants: While Painty the Pirate usually only shows up for some brief scenes (or the occasional in-show parody of theme song), the kids who co-sang the theme song played some minor roles in the earlier seasons prior to them hitting puberty.
- Kung Fu Panda: Legends of Awesomeness' theme song (see video example below) is sung by Mick Wingert as Po himself known to be... Do I even have to say it?!
- Transformers: Animated: In the Japanese dub of the final episode, the dubbing cast sings along with the dub's intro theme, "TRANSFORMERS EVO." by Jam Project.
- Elinor Wonders Why - the theme tune is performed by Elinor, except for the parts with the title of the show, which are sung by a group of kids.
- There were two versions of the The Raccoons song "Run With Us." The first was sung by Stephen Lunt, while the second was sung by Lisa Lougheed, the voice actress of Lisa Raccoon.
- The theme tune to Corn & Peg is mostly performed by Michela Luci and Kingsley Marshall, but it has parts sung by Corn and Peg.
- The Backyardigans, being a musical show, has its theme tune sung entirely by its main cast (who also dance to it).
- The opening theme tune for the direct-to-video series Little Dogs on the Prairie is mainly sung by the characters Gilroy, Hollister, and Patterson.
- The theme song for The Great North is an entirely in-house affair, co-written by the show creators and musical directors, and sung by the main cast in-character.
- The theme song for the second half of the six The Wacky Adventures of Ronald McDonald videos is sung by Ronald McDonald himself.
- Rosie's Rules: Rosie shouts the show's title twice during the opening.
- Spongo, Fuzz and Jalapeña: Jonathan Grant raps most of the intro song as Spongo, with other characters occasionally chipping in.
- Moon Girl and Devil Dinosaur (2023): Diamond White, who voices Lunella / Moon Girl in the series, performs the series theme song, “Moon Girl Magic”.
- Work It Out Wombats!: The theme song is sung by Malik, Zadie, Zeke, and the rest of the cast.
- Madballs: The theme song, a cover of "Great Balls of Fire", is sung by Cree Summer in character as Freakella.
- Hailey's On It! The theme, "The Future's in My Hands" is sung in character by Hailey both at the beginning and end.
- The theme of Cleopatra in Space was performed by Lilimar (Cleo's voice) in character as Cleo herself.
- The theme song of Monster Loving Maniacs is performed by Ernest and Ishaani. In fact, in-universe, it's a song the pair of them wrote for their jamming sessions.
