The Pienado is a dangerous tornado filled with pies. It is stored in an octagon container inside of Odd Squad.
- "Life of O'Brian" (shown in a picture frame but not discussed in the episode)
- "Training Day" (official debut)
- Odd Todd released it when he became a villain and it sparked Olive's fear of pies.
- The only way to open the container is with Oscar's nose, or at least with something shaped like his nose.
- Olive stopped the Pienado by making the point of each triangle in the middle with Oscar’s gadget, the Triangle-inator.
- The code for when a pienado is released is the actual numbers of pi: 3.14159265359...