I have written many poems from fiction, humorous as well as serious and historical. I’ve quite a few published. A humorous example is’
An oil rich rancher lived down Texas way.
His innocent granddaughter came to visit one day.
She said, “Grandpa would you talk like a toad.”
The old man looked a little confused as the walked down the road.
“I don’t understand. Are you trying to tell me a joke?”
Oh no, Grandpa mamma says we are going to get rich when you croak.”