Phineas & Ferb (preferably as a duo like Simba and Nala) and Perry (he could either be his own fighter or one of Phineas & Ferb’s special attacks)!
Star Butterfly (magic wand)
Marco Diaz (karate)
Cassandra from Tangled
Dipper & Mabel
I’d also really like to see Anna from Frozen out in the game!