After watching the videos posted in this thread, the best match I can think of is IEI. His body language is calmer and more relaxed than I would expect an ILE to be (introversion, probably IP), and he seems to be able to handle social situations easily and without stress (strong Ethics). His humour does seem Se-valuing, not just because it's crude, but because it seems to focus a lot on superficial appearances -- his joke about Celine Dion's nose, etc. In that same Harvard speech, he talks a lot about status, making jokes contrasting Harvard's high social status, to his own low social status. This again seems like a typical Beta concern.

Anyway, I'm not exactly solid on this IEI idea, but I do think Beta is a good place to start looking for his type.