Garg Ardoniquist

Garg Ardoniquist was an obese humanoid who was a "genetic sculptor".

One time, he genetically engineered an animal to make bricks using laser vision, then climb a spiral staircase to place the block at the top and then would leap to their deaths. The art is supposed to represent the struggle an artist has to go through, to reach the top of their field. The Seventh Doctor revealed he wasn't struggling at all, it was his animals. One of his animals then tackle Garg, and both end up falling to their deaths. (COMIC: Stairway to Heaven).