Logan Nightshade (Possession Ghost)

is voiced by Alex Hirsch and sounds like Bill Cipher from gravity falls, he mostly likes to possess Rai

He first appeared in ghost rai

He is also mostly the minor antagonist in season 4 & the main antagonist in the fourth quarter of the 2nd season while possessing Sena (Accepting Sena's request of possessing her).

Hair Color: Dark Blue

Skin Color: Green

Shirt Color: Green & Purple

Pants Color: Green

Shoes Color: Purple

Eye Color: Purple

Gender: Male

Age: 12

Race: Tigeroid

Possessions

 * Rai
 * Finn
 * Sena