First appears in Shangri-La in the episode "Problem Solving in Shangri-La." In it, he did a competition of strategy. In "Double Trouble", it creates the "Good Vibration," to keep the peace and harmony in Shangri-La.
Master Pi wears a blue cloak, is bald and his symbol is a π (pi), which is shown in his scepter. His power allows him to float as well as disappear and reappear quickly.
He is a wise, experienced, well-educated pacifist.
Motherboard: as he said in "Problem Solving in Shangri-La," he is one of Motherboard's supporters.
- "Problem Solving in Shangri-La"
- "Double Trouble"
- "The Borg of the Ring" (non-speaking)
- "The Snelfu Snafu: Part 1" (non-speaking)