Slippy Napkins is a friend of the Bravest Warriors, a roommate/companion of Wallow's, and a recurring character in the series of the same name. She is voiced by Polly Lou Livingston, who also voices Tree Trunks on Adventure Time.
Slippy Napkins is a polite, compassionate alien. She speaks in a soft, delightful voice, and is very considerate of people's feelings. As shown in Catbug's Away Team, where she stands up for Catbug when everyone was arguing, and ignoring his instructions. And giving Chris advice to tell Beth how much he loved her in the animated short. Also like all of his other adorable alien companions, she is extremely attached to Wallow.
- Slippy was promoted to a main character from her recurring character status from the series, in the Bravest Warriors comic, and often appears along with Catbug, as an additional member of the Bravest Warriors team