Arvy is a character from Sitting Ducks. He is 13-year old alligator who hates Bill, Ed, Oly and Waddle. He is voiced by Roger Craig Smith.
Arvy is cynical who is mean to Bill, Ed, Oly and Waddle. He usually call them "twerps". He also has a crush on Bev. Despite being cynical, he shows a soft side for his young brother Ally.
Arvy wears nothing but a blue T-shirt that has the number 13 on it, indicating that he's 13-years old.