Who said "Humor is the only way to survive what I have become."?

This quote is attributed to Swamp Thing.

Humor is the only way to survive what I have become. - Swamp Thing

"Humor is the only way to survive what I have become."

Swamp Thing Humor

"I am the swamp. The swamp is me."

"What was I? What am I now?"

"The man I was is gone. Only the swamp remains."

"They made me into this... this thing."

"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."