Phineas and Ferb/Big Time Rush

Cast: More ideas?
 * Phineas as Kendall
 * Buford as James
 * Baljeet as Carlos
 * Ferb as Logan
 * Candace as Katie
 * Linda as Mrs. Knight
 * Major Monogram as Gustavo
 * Stacy as Kelly
 * Isabella as Jo
 * Gretchen as Camille
 * Dr. Doofenshmirtz as Mr. Bitters
 * Perry the Platypus as Lightning
 * Lawrence as Buddha Bob