Mr. Goji Berry appears in the episode, "Furniture & Meat." In the episode, Finn and Jake break into their house and make him and his wife eat as much gold as they can, as a reward they get to keep all of the gold that they eat.
He appears to be a small strawberry with a giant stem on his head.
In the episode that we saw him in, due to the circumstances, he seemed very fearful. Despite this, he seems to favor money.
- Even though he is a Strawberry, he does not appear to have any seeds.