[1][2][3] Dandy is a government operative who works for the Pentagon and stole the formula for "pseudoderm" (used in the Question's mask) from its inventor, Aristotle Rodor.
This version is Chang Jie-Ru, a member of the Suicide Squad who can manipulate his own mass and is later killed by King Shark.
The character first appeared in Krypton Chronicles #3 (November 1981), and was created by E. Nelson Bridwell and Curt Swan.
Yuda Kal appears in Supergirl, portrayed by Sofia Vassilieva via her host Olivia.
[7] This version is a life goddess worshipped by the Children of Juru, a group of witches who created the Worldkillers (Reign, Purity, and Pestilence).