This is a list of characters that have been seen or have been mentioned by other characters in Harvey Beaks.
Main characters
- Harvey Beaks, a sweet and well-meaning blue bird.
- Foo and Fee, the wildest twins in the forest and Harvey's two best friends.
Supporting characters
- Miriam Beaks- Harvey's mother.
- Irving Beaks- Harvey's father.
- Dade- a chubby rabbit that admires Harvey but dislikes Fee and Foo.
- Claire- a female fox that wears glasses and has a crush on Foo.
- Piri Piri- a female yellow bird who is Claire's best friend and an artist. She sees good in everything, including Fee and Foo.
- Kratz- a skunk who is considered boring, unlucky, and miserable. He is usually treated like a loser and a nobody except by Harvey. He sprays noxious gas whenever he feels scared, nervous and/or in pain.
- Princess- an obnoxious, female owl that wears a pink dress and a tiara. She is bad-tempered, selfish and extremely spoiled.
- Rooter- a warthog that has a large mowhawk and speaks with an Australian accent. He is a wilderness survivalist.
- Technobear- a fat, street-smart brown bear in a reddish speedo. He is very loyal to Harvey.
- Jeremy- a big, furry mushroom with an elephant trunk-like nose, and sort of talks with a Mickey Mouse-like voice.