Another one of these threads, eh?

Anyway:

Kenny McCormick
Type: Normal
Ability: They Killed Kenny Again (Instantly faints when hit with any attack. Revives instantly after battle, at full health and with lowered happiness. This stacks with any Mega Evolution abilities)
-Explosion
-Self-Destruct
-Final Gambit
-Perish Song

Mega Kenny X (Mysterion)
Type: Normal/Dark
Ability:
-Shadow Sneak
-Sucker Punch
-Frustration
-Memento

Mega Kenny Y (KAWAII PRINCESSU KENNY-CHAN)
Type: Normal/Fairy
Ability: Cute Charm
-Charm
-Megahorn (Unicorn Stampede)
-Infestation (Furry Friends)
-Healing Wish