Jack Ripper

Jack Ripper or Jack the Ripper (ジャック・リパー, Jakku Rippaa) is a recurring demon that is related to Jack Frost. In the English-language version of Jack Bros., his name was changed to Jack Skelton.

History
Jack the Ripper is the name given to an infamous serial killer of late 1888 London, who remains unidentified to this day.

Appearances

 * Shin Megami Tensei II: Gedou Clan
 * Jack Bros.