We all love his videos, but here's the story on his disability! Watch...

For those of you who have made fun of him or have teased him (insert foot in mouth, right about... NOW) get prepared to feel bad. But don't feel bad too long because this kid is a warrior. What he's gone through and continue to go through and has the balls strength to keep fighting and entertaining us is amazing. He has a rare disease called MPI-VI which affects 1 in every 500k births. It's chronic and there's no cure. Yet despite this Keenan has done some awesome things and is an inspiration to us all.

Here are some of the videos that have made him famous