Just some random guy with a big dick. If you look at her earlier videos before the boob job you'll see him.
I guess this is just a way for her to isolate her ventings that tend to isolate a lot of people onto a separate account while her main account is just her porn. I remembered this chick GGummii (Gigi Sweets now) did the same thing where she had her account for posting links to her porn and one where she would whine about how everyone shes been w has cheated on her