You got your

Wide grip pull-up

Narrow grip pull-up

Neutral grip pull-up

Mixed grip pullups

Pronated pull-up

Supinated pull-up

L sit pull pull-up

Explosive pull-up

Slow pullups

Typewriter pullups

Archer pullpups

Weighted Pollups

Negative pulups

Band assisted polaps

One arm pullupps

Remember to retract that scapula. Touch chest to bar.

I want a muscle up. IT WILL BE MINE. IT WILL BE MINE.