i know what you mean, haha.. Andy Samberg is amazinggggg <3
ok, well hmm.. just don't try too hard, or make people THINK you're trying too hard to make people laugh.
smile, and be nice to people if they talk to you
Don't dress like you're going to a wedding everyday, just wear jeans, a jumper, and like a hoodie.
watch a ton of videos on youtube of him, and copy some of the things he does, like some jokes or mannerisms, not too many.. cuz if people recognize it you'll get made fun of..
for the hair hmmmm, well I tthink that's his 'natural' hair so not really much you can do about that, cause if you curl, dye or straighten it, people will call you gay.
Off limits? joking about someone's dad who just died in your class.
Have fun at school lmao :)