I have been a stepfather for 10 years no and know a great deal about it, are you interested in it? 
I've had quite a few stepfathers myself.
Stepfather
A stepfather or stepdad is a non-biological father figure who is married to one's parent. A stepfather-in-law is a stepfather of one's spouse. The children of the stepfather-in-law would be the person's stepbrothers-in-law and stepsisters-in-law.
Culture.
Though less common in literature than evil stepmothers, there are also cases of evil "stepfathers", such as in the fairy tales "The Gold-Bearded Man" (in a
Dracula.
According to an interview on May 16, 2008, the rights to an "Anno Dracula" movie have been optioned, and Newman has written a script, but "I don't know if there's much movement on it...Over the years, I've had a few comics people say they'd be interested and even an occasional game nibble, but no one has ever come up with a solid deal."
Comics.
Comics "Anno Dracula - 1895: Seven Days in Mayhem" (1895)