Trickster
This type is for pokemon that can pull pranks, trick things, or are sneaky.
These include:
Sableye
Liepard
Murkrow/Honchkrow
Zoruark (A lot of dark types)
Klefki (Maybe more prankster pokemon)
Hoopa (Not sure about Unbound)
Rotom
It could be super effective against Fightings as they...