I work with a guy with this same accent and he is Brazillian so that's what I assumed his accent was. It does give it an international flair doesn't it? No one can say that they are only focusing on the USA or white folk.
I hate the way the Mom says Satan (Sayt' en) Sounds sort of Valley Girl-esque.... " Like Caleb, you could sooo totally like, make Sayt'-en happy if you like, play with that toy"