Gretchen (Phineas and Ferb)

Gretchen is a character from Phineas and Ferb

Counterparts (Girl Version)

 * Rosie (Thomas the Tank Engine and Friends)
 * Sally Seaplane (TUGS/Salty's Lighthouse)
 * Birdo (Super Mario Bros.)
 * Cream the Rabbit (Sonic the Hedgehog)
 * Fifi La Fume (Tiny Toon Adventures)
 * Awooga Bird (Looney Tunes)
 * Mindy (SpongeBob SquarePants)
 * Jigglypuff (Pokemon)
 * Honey (Kirby)
 * Tootie (The Fairly OddParents)
 * Clarabelle Cow (Mickey Mouse)

Counterparts (Boy Version)

 * Percy (Thomas the Tank Engine and Friends)
 * Sunshine (TUGS/Salty's Lighthouse)
 * Yoshi (Super Mario Bros.)
 * Miles "Tails" Prower (Sonic the Hedgehog)
 * Tuff (Kirby)
 * Piplup (Pokemon)
 * Rosh (Mega Man)
 * Hamton J. Pig (Tiny Toon Adventures)
 * Tweety Bird (Looney Tunes)
 * Patrick Star (SpongeBob SquarePants)
 * Goofy (Mickey Mouse)
 * Scooby Doo (Scooby Doo)
 * Chester (The Fairly OddParents)
 * Carl Wheezer (Jimmy Neutron)
 * Piglet (Winnie the Pooh)
 * Noah (Total Drama)