Literature
Hey, Where's Perry? Oh, he's in DEATH BATTLE!
Perry the Platypus/Agent P
First Appearance: Phineas and Ferb(2007)
Age: 5, 15(in Act Your Age), but is an adult in maturity
Feats:
Stops Dr. Doofenshmirtz and his plans to conquer the Tri-State area on a nigh-daily basisDream Perry saved the Flynn-Fletchers from being captured by a military instructorHelped the Avengers defeat the likes of Red Skull, Venom, Whiplash, and M.O.D.O.KDefeated Dr. D while Perry was inflated like a balloonSaved Valentines DayStopped Dr. Doof from unintentionally doing bad when he was trying to do goodEscaped from Doof's traps multiple times, even when Dr. D had the power of time on his sideSaves Danville from D