Dr. Seuss Season 15


 * The Cat in the Hat
 * Mack the Turtle
 * Horton the Elephant
 * Joey (Sam-I-Am's Friend)
 * Norval the Fish
 * Sam-I-Am
 * Mr. Brown
 * Sarah Hall-Small
 * Cindy-Lou Who
 * Buttercup (from Toy Story 3)
 * Marvin K Mooney
 * Yertle the Turtle
 * Zizzer Zazzer Zuzz
 * Little Cat Q
 * Milo
 * Fleagle (from Banana Splits)
 * Bingo (from Banana Splits)
 * Drooper (from Banana Splits)
 * Snork (from Banana Splits)
 * The Grinch
 * Pam-I-Am
 * North-Going Zax
 * South-Going Zax
 * Captain Feathersword (from The Wiggles)
 * Daisy-Head Mayzie
 * Little Cat M
 * Little Cat K
 * Little Cat L
 * Little Cat E
 * Little Cat Fleep
 * Icabod
 * Izzy
 * Bruno (from Sesame Street)
 * Little Cat R
 * Morton the Elephant Bird
 * Uncle Norton
 * Thomas (from TTTE)
 * Emily (from TTTE)
 * Daisy (from TTTE)
 * Toby (from TTTE)
 * Jack (from TTTE)
 * BoCo (from TTTE)
 * Isobella (from TTTE) (does not speak)
 * Chip (from Barney and Friends) (cameo)
 * Little Cat F (cameo)
 * Junior Kangaroo (cameo)
 * Percy (from TTTE) (cameo)
 * Rosie (from TTTE) (cameo)
 * Edward (from TTTE) (cameo)
 * Oliver (from TTTE) (cameo)
 * James (from TTTE) (cameo)
 * Lady (from TTTE) (cameo)
 * Stepney (from TTTE) (mentioned)