By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

Levi Johnston is about to become a dad for the second time, but he confesses that he doesn’t “feel like a dad,” to his first son, Tripp, with Bristol Palin.

The 21-year-old Alaskan and his pregnant girlfriend Sunny Oglesby say that she accidentally got pregnant, but that they’re hoping Tripp will be a “big brother” to the new baby.

"There was a time we went to the cabin and forgot the birth control pills and, you know, about a month later we found out we were having a baby,” Levi tells The Insider’s Brook Anderson in a new interview.

Levi says that he hasn’t seen his son with Sarah Palin’s daughter recently. “I love Tripp more than anything and he is my son but I don't feel like a dad to him. Not by choice …hopefully one day I can be," he says.

His girlfriend leaps to his defense, telling Brook, “I'm tired of people thinking that my boyfriend's a bad father especially now that I'm having his baby. I don't want people thinking that about him."

When asked if he is a deadbeat dad, Levi denies the charge, “No, and I never will be," he insists.

Sunny tries to explain that Levi does want to visit with his young son. “It's really sad, his image, because it's pretty much the complete opposite of how he is in real life. He's an awesome dad. And he tries to get