Where does the simple, pop-culture cartoon representation of a ghost come from? (Half oval with a jaggedy bottom.) Does this originate with Pac-Man or was it around earlier than that?

by thepixelpaint
MorboDemandsComments

While more can always be said, I recommend you take a look at https://www.reddit.com/r/AskHistorians/comments/6s91la/how_did_ghosts_become_associated_by_white_sheets/dlea92h/, where /u/thejukeboxhero answers a similar question.