What's his type?
I would say ENFp or ESFp. ENFp because of his seemingly boundless energy making fun, always exaggerating good mood and happy face. Seems someone puts just the "make fun" trigger on him and then he couldn't be turned of for 3 days.
http://i.imgur.com/0a0ZTpf.jpg http://i.imgur.com/MYcTVYE.jpg
http://www.youtube.com/watch?v=SaXQzVoPE-Q
http://www.youtube.com/watch?v=oPicgVPaibc
http://www.youtube.com/watch?v=q5nVqeVhgQE
https://www.youtube.com/watch?v=XXNm28b_2I4
