Kevin E. Peepants (aka Kev) is a minor teenager character that appears in the background in Secret Mountain Fort Awesome and on the show Uncle Grandpa frequently. He plays a significant role in "Secret Mountain Uncle Grandpa" and "Viewer Special". He is voiced by Jon Heder and in "Secret Mountain Uncle Grandpa", he is voiced by Tom Kenny.
He has a black spiky mohawk and wears black leather in punk fashion style. He has a large nose, a thin neck and is quite tall.
He seems pretty angry and hard to please on almost anything. In "Viewer Special" he tells Uncle Grandpa that his show is dumb and that art is dumb. He likes to destroy and break things as revealed in "Secret Mountain Uncle Grandpa", where he happily followed Remo who asked him if he wanted to go and break stuff.
- Remo - Remo and Kev are friends with each other. He asked Remo if he wanted to go and break stuff (as seen in "Secret Mountain Uncle Grandpa").
- Red Haired Kid - Kev and Orange Haired Kid are great friends and they spend time with each other. Both Kev and Orange Haired Kid like to break stuff along with Remo.
- In Secret Mountain Fort Awesome, he appeared in Gweelok's video game in the episode "The 6th Disgustoid".
- In Secret Mountain Fort Awesome, he appeared in the background of "Stealing the Sun".
- In Uncle Grandpa, he appeared in the background of "Brain Game".
- "Secret Mountain Uncle Grandpa"
- "Viewer Special"
- "New Experiences with Beary Nice and Hot Dog Person" (Imaginations)
- "Brain Game" (cameo)
- "The History of Wrestling"
- "Dog Day"
- "Tiger and Mouse"
- "Smile Juice"
- "Stinky Elevator"
- "Shower Party"
- "Watermelon Gag"
- "Secret Santa"
- "Uncle Grandpa Movie"
- "I think art is dumb!"
- "What magic pen?"