Bill Cipher

*insert reference to show*

Pretty much, the concept here was Bill is a mind invader, Victini is a Puh-sychic types, so since Cipher got overpowered by a couple of kids and a tourist shack repairman when in the mindscape, surely a Psychic type could do the same~

Enigmatini...'s ghost mindscape hands (c)
Pic (c) Me