Davis Dreamer

Davis Dreamer is the father of Darren Dreamer, the spouse of Delilah Dreamer, the grandfather of Dirk Dreamer, and the father-in-law of Darleen Dreamer. He and his wife are both dead for unknown reasons (most likely old age.)

He could be the artist from The Sims 3 with the painting in buy mode with the name D. Dreamer. It could be him or his father, Dalmar.