Celebi is good, but I noticed a lot of similarities with Mew.
- Both have no gender.
- Both have an evil counterpart with a deep voice.
- Both are lighthearted and playful.
- Both are kind and gentle, but resort to magic if threatened.
- Both can change their appearence.
- NiGHTS is purple, and purple is the colour associated with the psychic Pokemon type.
I might think of more later. Off to ponder!
ALSO. Both can fly. Mew fits... but if NiGHTS is Mew, then what is Reala? Mewtwo? -shudders at that thought, it's unflattering for Reala-