Here's the updated version of what I think all of the TDI character's theme songs are. Some people have two, though, because I couldn't decide which one was better.
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Ezekiel: trang chủ bởi Daughtry -or- Canadian Idiot bởi Weird Al Yankovich

Eva: Everybody Down bởi Nonpoint

Noah: Vicarious bởi Tool (I think it could be about his slightly sadistic qualities)

Justin: Sexy Back bởi Justin Timberlake

Katie and Sadie: True Friend bởi Hannah Montana

Tyler: Radio bởi Jim Johnston

Izzy: Psycho bởi Puddle of Mudd

Cody: Sombody for Me bởi Nikelback

Beth: Hazard to Myself (Don't Let Me Get Me) bởi Pink

Courtney: Circus bởi Britney Spears

Harold: Pork and Beans bởi Weezer

Trent: Everybody's Fool bởi Evanescence

Bridgette: Pocketfull of Sunshine bởi Natasha Bettingfield

Lindsay: My Boobs Are Okay bởi Lene Alexandra (I was going to put "Barbie Girl" but everyone does that one)

DJ: Where is the tình yêu bởi The Black Eyed Peas

Geoff: Fight for Your Right to Party bởi The Beastie Boys

LeShawna: Please Don't Stop the âm nhạc bởi Rihanna

Duncan: Animal I Have Become bởi Three Days Grace

Heather: Sexy, Naughty, Bitchy bởi Tata Young -or- Cruella DeVille bởi Selena Gomez

Gwen: Sweet Sacrifice bởi Evanescence

Owen: Fat bởi Weird Al Yankovick

Alejandro: Perfection bởi Cage9

Sierra: Taking Over Me bởi Evanescence

Chris: Money bởi I Fight Dragons

Chef: Stoned bởi Puddle of Mudd

Blaineley: Piece of Me bởi Britney Spears

Mr. Coconut: Dr. Coconut from Phineas & Ferb

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If bạn don't understand any of them, I'll explain. Just ask. :)