Icabod and Izzy are yellow creatures who appeared in Dr. Seuss' ABC. While Icabod's name was mentioned in the book, his younger companion Izzy wouldn't have a name until the ABC software by Living Books.
They both adventure together to find what begins with each letter of the alphabet.
Icabod's birthday is revealed to be in May.
Gallery
Icabod is Itching
Icabod and Izzy's father in a pail
Icabod and Izzy can't stand Vera Violet Vinn's awful Violin playing