Phineas and Ferb/Dr. Seuss

Cast

 * Phineas as Cat in the Hat
 * Isabella as Sarah Hall Small
 * Ferb as Sam I Am
 * Major Monogram as The Grouchy Guy/Joey (Sam-I-Am's Friend)
 * Jeremy as Norval the Fish
 * Perry the Platypuss as The Lorax
 * Gretchen as Pam I Am
 * Dr. Doofenshmirtz as The Grinch
 * Norm as Max
 * Thaddeus as Thing #1
 * Thor as Thing #2
 * Carl as Horton the Elephant
 * Candace as Jane Kangroo
 * and more