Who said "There is no humor in extinction."?

This quote is attributed to Doomsday.

There is no humor in extinction. - Doomsday

"There is no humor in extinction."

Doomsday Humor

"I am the thing that darkness fears."

"Destruction is the only truth I know."

"You cannot stop what has already begun."

"I grow stronger with every battle."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."