Alzheimer's sketch ideas

This is a few of the ideas I came up with for the Alzheimer's sketch contest. I like the sketch of the brain as a puzzle more than the one with the man though I'm still working on more I could add to both of them 

Action Bronson portrait

This piece is my attempt at a portrait of a rapper I like named Action Bronson. I believe it is partially successful as I think some parts of it, like the background and beard, came out cool but overall it doesn't quite look completely like him. If I were to redo this piece I would probably try to make his lips and nose smaller