|Played by||Dane Boedigheimer|
|First Appearance||Going Walnuts|
At the end of the episode the squirrel appeared in, Going Walnuts, Orange tells Walnut a knock-knock joke, informing that Squirrel is coming to eat him. Then, Walnut asks "Squirrel who?", but Orange repeats "Squirrel!", then Squirrel appears and ate him until the credits rolled in. The squirrel made a cameo appearance during a flashback in It Takes Two to Mango, where Walnut's death can be seen. He later appeared in Poison Apple with another Squirrel (possibly his friend), and they pour ice water on their nuts. One Squirrel said they like cold acorns.
- He is the second animal as a murder weapon, first was Big Papi.
|Annoying Orange Animals|
|Season 1 Introductions||No animals were introduced in Season 1|
|Season 2 Introductions||Bowser • Shell • Fly • Big Papi • Spider • Crab • Squirrel • Charlie the Drunk Guinea Pig • Wee Pony • Gorilla • Princess Butterfly Kiss • Charlie the Unicorn • Caterpillar|
|Season 3 Introductions||Birds • Gecko • Bunny Rabbit • Dinosaurs • Starfish • Fruitflies • Marshmallow's mother • Dog|