Just all my favorite couples. This will be updated a lot as I KNOW I probably forgot some.

Sonic: Rouge/Knuckles, Sonic/Amy, Amy/Knuckles, Tails/Cream

Ryuusei no Rockman: Subaru/Luna, Misora/Cancer, Misora/Solo aka Bly, Misora/Kizamaro, One-sided Gonta/Luna (On Gonta's side), Misora/Tsukasa

Phoenix Wright: Maya/Phoenix, Larry/Maya, Pearl/Cody, Edgeworth/Iris, Edgeworth/The Pink Badger, Pink Badger/Missle, Pink Badger/Blue Badger, Gumshoe/Blue Badger, Gumshoe/Maggey, Iris/Phoenix, Dahlia/Murderous Rampage, Mia/Phoenix, Mia/Godot (Diego), Godot/Coffee, Some others that I'm too lazy to think of XD

KND: 3/4, 2/5, 1/5, 1/Lizzie, 2/86, One Sided 1/4 (With 1 being the one in love with 4), Mushi/King Sandy, Cree/Hank (aka 2), Mushi/Chad, 1/86, 23/35, Sally/Leader Guy, Tommy/Mushi, Tommy/Sonya, Sonya/Lee, Chad/Cree, some other ones...

Jimmy Neutron: Cindy/Jimmy, Libby/Sheen

Fairly Odd Parents: Cosmo/Wanda, Timmy/Trixie

Crossovers: Timmy/Cindy (Jimmy Neutron and Fairly OddParents)

Danny Phantom: Sam/Danny

Sailor Moon: Serena/Darien, Rini/Pegasus, Rini/Peruru, Amy/Greg, Rei/Chad, Lita/Ken, Luna/Artemis, Michiru/Haruka

CCS: Sakura/Syaoran, Tomoyo/Eriol, Syaoran/Meiling, Touya/Yukito, Touya/Ruby, Suppi/Kero

Pokemon: Ash and Misty, James and Jessie, Misty's Togepi and Ash's Pikachu, May and Drew, Misty's Azurill and Ash's Pikachu

Hamtaro: Hamtaro and Bijou, Sandy and Maxwell, Stan and Pashmina.

My Life as a Teenage Robot: Jenny and Brad

Digimon: Tai and Sora, Tai and Mimi, Izzy and Mimi, TK and Kari, Matt and Sora

Hey Arnold: Arnold and Helga, Gerald and Phoebe

Kim Possible: Kim and Ron

The Weekenders: Lor and Tino

Recess: T.J. and Spinelli, Vince and Gretchen

Lizzie McGuire: Lizzie and Gordo

Saved by the Bell: Kelly and Zach, Slater and Jessie, Screech and Lisa

Harry Potter: Hermione and Harry, Ron and Hermione, Hermione and Draco

Nintendo: Diddy Kong and Dixie Kong, Diddy Kong and Tiny Kong, Saria and Link, Zelda and Link, Kirby and Jigglypuff, Luigi and Daisy, Mario and Peach

Rocket Power: Reggie and Twister, Reggie and Lars, Reggie and Sam, Tish and Otto, Cleo and Otto, Sherri and Sam

High School Musical: Ryan/Sharpay, Chad/Taylor, Troy/Sharpay

Detective Conan: Ai/Mitsuhiko, Ayumi/Mitsuhiko, Ayumi/Genta, Sonoko/Kaitou Kid, Sonoko/Makoto (Or whatever his name is), Eri/Kogoro, Yusaku/Yukito, Shinichi/OC, Conan/OC, Agasa/Misa, Ran/Dr. Araide.

Final Fantasy: Aerith/Cloud, Rinoa/Squall, Yuna/Tidus, Garnet/Zidane, Chocobo/Moogle

Kingdom Hearts: Sora/Kiari, Namine/Roxas

Disney: Donald/Daisy, Minnie/Mickey, Huey/Webby

Hannah Montana: Miley/Jake, Miley/Oliver, Oliver/Lily, Lily/Jackson

iCarly: Sam/Freddie

Bones: Brennan and Booth