Casper (Casper and the Spectrals)

Casper, also known as the Friendly Ghost, is one of the four protagonists of Casper and the Spectrals. His best friends are his human twin sister, Jade, Hot Stuff and Wendy. Casper is the cousin of Spooky and nephew of Lazo, Fatso and Fusso and has unnamed parents who are presumably deceased.

Comparison in other adaptations

 * Jade and Casper are twins, and Jade somehow is a human. THe same thing is like in My Brother the Ghost except, Jade and Casper were born under a potion. It is unknown how they are twin human and ghost in this adaptation.
 * Casper like Casper McFadden are under the care of their uncles, Stretch (Lazo), Stinkie (Fuzzo) and Fatso
 * The Ghostly Trio have custody over Jade and Casper as well and their parents are never mentioned or seen.
 * The leader, lazo appears to be a strict parents towards his niece and nephew, reprimanding him and his sister and grounding them for two weeks without seeing their friends.