Knuckles/Dr. Seuss

Cast

 * Knuckles as Cat in the Hat
 * Rouge as Sarah Hall Small
 * Sonic as Sam I Am
 * Vector as The Grouchy Guy/Joey (Sam-I-Am's Friend)
 * Shadow as Norval the Fish
 * Tails as The Lorax
 * Tikal as Pam I Am
 * Metal Sonic as The Grinch
 * Big as Horton the Elephant
 * Scratch as Fox in Socks
 * Grounder as Mr. Knox
 * Griff as Mr. Brown
 * and more