William T. Riker (clone)
William T. Riker was a clone of William T. Riker created from his epithelial cells, against his will, by the Mariposans in 2365. 

Later when this clone and a  clone were discovered by Riker, Pulaski, and Geordi La Forge, Riker vaporized them both with a phaser. ()

Humans
Bioreplicants