マーク・ルーイン
Donald B. Curtis (born Donald Beitelman) (May 22, 1927 – March 6, 2008) was an American professional wrestler, best known for being a member of a tag team with Mark Lewin in the 1950s and 1960s. During his partnership with Lewin, they won the NWA World Tag Team Championship. Curtis was a wrestling promoter in Jacksonville, Florida until 1981.