Light blue (season 1)
Grandma Smoochy helped Casper drive the Ghostly Trio away from Scare School so that Casper couldn't get expelled due to the Trio's constant pranks.
She is white-colored and has a very wrinkled face, blue eyes the same color as Casper's and short "hair" that loosely resembles an afro. She wears pink glasses, a red cap and a necklace with skulls on it.
- It is unknown if she is Casper's maternal or paternal grandmother/great-aunt.
- It is unknown if she is related to Spitzy.