Keemon

Keemon (キーモン)
A bad looking Slime digimon that is always scowling. Even though it is very young, it hates being in crowds, and lives while hiding itself. From a hidden place, it likes to try to harass others, spitting out a paint filled water gun (Pushū).

Etymology
Kii: Kīkī is onomatopoeia for the sound of something squeaking or from kī, meaning strange/wonderful.

TCG
There are currently no cards featuring Keemon in any Digimon TCG.