John Mellencamp, aka Johnny Cougar, posing for a photograph in 1977 By the time he was 18, Mellencamp was making $200 a night from playing music, a small fortune in the late 60s.

Teddi Mellencamp underwent brain surgery on ... quipped in a Wednesday, February 12, Instagram Story video as her friend shaved off her hair. ... the daughter of singer John Mellencamp, ...