i have a stepfather that I call dad, he met my mom when i was a baby. my real dad was never there too much.
Aww I am sorry that your real dad wasnt there for you, I also have a stepfather. Since step dads are non-biologically related to you, It can be hard to adjust. 
it was easy for me, i dont remember them meeting, i just remember him alwaysbeing there. im a grown adult with my own family now and i still call him dad, hes remarrried but we still visit and hang out
Stepfamily
A stepfamily, blended family, or bonus family, is a family where at least one parent has children that are not genetically related to the other spouse or partner. Either parent, or both, may have children from previous relationships. Children in a stepfamily may live with one biological parent, or they may live with each biological parent for a period of time. In addition, visitation rights mean that children in stepfamilies often have contact with both biological parents, even if they permanently live with only one.
and off-camera relationship with her TV stepfather, Danny Thomas, on a groundbreaking ABC TV show, "Make Room for Daddy") had said: "I thought Danny was hilarious and he was always cracking me up. He was loud and gregarious, nothing like my real Dad who is far more reserved than that. So, it was fun to be able to make smart remarks and get away with it. I would never have talked to my real parents that way, but in the make-believe world