Multiverse/Barney

Cast

 * Phineas Flynn (from Phineas and Ferb) as Barney
 * The Cat in the Hat (from The Wubbulous World of Dr. Seuss) as BJ
 * Isabella Garcia-Shapiro (from Phineas and Ferb) as Baby Bop
 * Homestar Runner (from Homestar Runner) as Riff