Mark Stephen Evanier is an American comic book and television writer, known for his work on the animated TV series Garfield and Friends and on the comic book Groo the Wanderer. He is also known for his columns and blog News from ME, and for his work as a historian and biographer of the comics industry, such as his award-winning Jack Kirby biography, Kirby: King of Comics.

Welcome Back, Kotter is an American sitcom starring Gabe Kaplan as a high-school teacher in charge of a racially and ethnically diverse remedial education class called the "Sweathogs." Recorded in front of a live studio audience, the series aired on ABC from September 9, 1975, through May 17, 1979. It provided John Travolta with his breakthrough role.