Description:  The 1977 Hanna-Barbera cartoon Shake, Rattle and Roll was a series of animated segments about three ghosts who run a spooky hotel for other ghouls and witches, often dealing with a villain named Sidney Merciless and other characters like Ghost Mouse and Poltercat. The segments aired as part of CB Bears and later Heyyy, It's the King!.

Main characters: Shake, Rattle, and Roll, a trio of ghosts who run a rundown hotel.

Antagonists/Supporting characters:

Sidney Merciless: A villain who wants to close the hotel.

Ghost Mouse: A mouse that constantly pesters the ghosts.

Poltercat: A cat that tries to get rid of Ghost Mouse.