|Not to be confused with "We've Got Fleas".|
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- Chill Cat
- Crinkly Wrinkly
- Ted Viking and Foxy
- Diving Belle
- Mrs. Gnarlio
- Gnarlio Jr.
- Courtenay Taylor as K.O.
- Ashly Burch as Enid
- Ian Jones-Quartey as Rad / Crinkly Wrinkly / Frat Boi 2
- Robbie Rist as Gnarlio / Frat Boi / Corn Shepard
- Kath Soucie as Peej / Gnarlio Jr.
- Kari Wahlgren as Chill Cat / Tumbles / Mrs. Gnarlio
- One of the cool pests, Gnarlio, bares a resemblance to Mondo Gecko from Teenage Mutant Ninja Turtles. Coincidentally, both share the same voice actor.