Bob Underwood

Robert "Bob" Underwood is an antagonist in the ABC original series, ''The Secret Life of an American Teenager. ''He is the father of Ricky Underwood and he is the reason why Ricky suffered from a traumatic childhood. He is by far the cruelest antagonist of the show, as well as one of the most brutal domestic abusers in the media.

He was portrayed by Brain Callen.

Biography
Bob Underwood was an extremely abusive man to his son ,Ricky, and wife, Nora. Throughout their lives, he sexually abused both of them, an act that would cause Nora to develop a drug addiction and go to jail for it. Eventually, Bob was put in prison for his crimes but he got out and was on parole in the episode, "The Father and the Son". Once he got out, he was arrested again when he offered to sell Ricky's son, John Juergons, to human traffickers for drug money.