This is my fakemon!

Medeon "Med" as in Medium
Ghost type version of Eevee
*He can walk on all 4's but it looks a bit odd since his arms are detached

I hate ghosts so why not embrace what I dread. Eating a wisp the the most "not depressing" way to turn an Eevee into a ghost.
You can use your imagination on the other methods. I figured this would be more realistic to the game's lore.

Special Ability "White Smoke"

[My Medeon's Move list]
Shadow Ball
Protect
Acid Spray
Will-O-Wisp