Bucky, Spike and Quillo are characters in the Over the Hedge franchise. They are Lou and Penny's identical children.
Bucky, Spike and Quillo
Porcupine
for Porcupine in Fictional animals by species
Suggested by jpstudios11
Obviously, don't nominate any human characters. Hybrids like Cheetah or The Lizard are okay, as are shapeshifters with one set animal form (eg Professor McGonagall.)
