What is "tannen"

Tannen is surname of:

• Biff Tannen, a character in the Back to the Future trilogy
• Charles Tannen (1915–1980), American actor
• Deborah Tannen (born 1945), American academic and professor of linguistics
• Julius Tannen (1880–1965), comedian and father of Charles and William Tannen

• (1827–1904), German publisher and writer

• Steve Tannen (born 1968), American singer-songwriter
• Steven Olson Tannen (born 1948), American college and professional football player