Let's playgame. Peep deez as-of-yet unused type combinations, and try and come up with a new monster that fits those types. Drawings welcome.

Electric / Psychic
Electric / Normal
Electric / Poison
Electric / Rock
Electric / Dark
Electric / Fighting

Grass / Ghost
Grass / Dragon

Fire / Grass
Fire / Ice
Fire / Water
Fire / Normal
Fire / Poison

Ice / Normal
Ice / Fighting
Ice / Poison
Ice / Bug
Ice / Rock
Ice / Steel

Fighting / Dragon
Fighting / Ghost
Fighting / Ground
Fighting / Flying

Bug / Dark
Bug / Dragon
Bug / Psychic
Bug / Normal

Dark / Normal
Dark / Psychic

Poison / Steel
Poison / Normal
Poison / Psychic
Poison / Rock

Ghost / Steel
Ghost / Normal
Ghost / Psychic
Ghost / Rock

Dragon / Normal
Dragon / Poison
Dragon / Rock