This is the one heard on the earliest of his videos. It is 100% correct
Angry Nintendo Nerd
He's gonna take you back to the past
To play the shitty games that suck ass
He'd rather have a buffalo take a diarrhea dump in his ear
He'd rather eat the rotten asshole of a road-killed skunk and down it with beer
He's the angriest gamer you've ever heard
He's the angry Nintendo nerd
He's the angry Nintendo nerd