Oreo was a minor character character who only appeared in Annoying Orange: U Can't Squash This. He is seen at the beginning explaining his fame to Orange.
| Main Characters | Recurring Characters | TV Exclusive Characters |
|---|---|---|
| Orange | Apple | Nerville |
| Pear | Squash | Apple |
| Midget Apple | Knife | Coconut |
| Marshmallow | Liam the Leprechaun | Peach |
| Passion Fruit | Captain Obvious | Tomato |
| Grapefruit | Nude Dude | Banana |
| Grandpa Lemon | Dr. Bananas | Pineapple |
| Orange's Sister | Zoom | Ginger |
| Corey | Gaming Grape | Broccoli Overlord |