An Alligator is a species found in the Animal Crossing series that consists solely of possible villagers. In all there are only four possible alligators that'll eventually come to live in your village, two male and two female.
Alfonso is a sand colored alligator with brownish circles covering his body. He features two references to Nintendo's mascot Mario - first his shirt has Mario's emblem, and second his catch-phrase is "it's a me", which is something the plucky plumber often says.
A female alligator and is a turquoise color. She wears purple lipstick, and his pink cheeks.
A green, male alligator, with the bodybuilding personality.
A pink with purple stripes female alligator, with the kind personality.