Jeff Conaway became instantly iconic as Kenickie in Grease, the leather-jacketed rebel who won over audiences with charm and attitude. Though he never reached the same level of stardom as co-stars like John Travolta, Conaway showed early promise with strong stage work and a breakout role in the sitcom Taxi. Behind the scenes, however, he faced years of personal and health struggles that often overshadowed his true abilities. When he passed away in 2011 at age 60, fans mourned a gifted performer

Jeff's Kenickie cool: addiction's cruel thief?