User MK

MakutaKlak is a member of BZPower. He is friends with MakutaYnot, The Architect, and all the other Users, and created the BZPB multiverse with them.

He does a lot of important stuff.

The future
At some point in the distant future, MakutaKlak and the rest of the Users (except MakutaYnot and User Chocoman) will be killed by Ynot, under the control of MakutaYnot.