The crossword solutions for the term SINGER MARTIN are DEAN. DEAN MARTIN was an American SINGER, actor, comedian, and film producer. He was one of the most popular and enduring American entertainers of the mid-20th century. He was nicknamed the 'King of Cool' for his seemingly effortless charisma and self-assurance. He was a member of the Rat Pack and a star in concert stages, nightclubs, recordings, motion pictures, and television.