Doe T.

Doe T. is a Toad that can be found at the entrance of the Great Tree in Paper Mario: The Thousand-Year Door. He only appears when you take his trouble. His trouble was that Mario had to defeat some enemies blocking the Great Tree. His reward for completing the trouble was 20 coins.

Tattle
"That's Doe T., the Toad who asked us for help. I'm so glad he finally got to see this place, y'know?"

Trivia

 * Doe T.'s name is a pun on the word "doty", which refers to wood.