13 sources The Friendly Ghost, CasperJourney Into Mystery Leading Comics #23 (Feb.-Mar. 1947): "Doodles Duck and his Toyland Playmates" Little Lotta in Foodland #28 (Oct. 1971) Marvel Tales Mystery Tales #12 (June 1953): "It's Too Expensive to Die!" Mystic (vol. 1) #36 (Mar. 1955): "The Warning!" Showcase #74 (May 1968): "It Could Be You!" Western Comics | 3 characters
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