He has a squeaky voice and has bones for arms. His head is a skull with peacock feathers on the back of his head, while he has a mustache too.
Uncle Jalapeño is named after the Mexican pepper known as "Jalapeño".
According to Don Lu, he is the master of explosives. You meet him in the fourth area of the game, The Canyons. He appears to have befriended a man named Devante, who also knows a thing or two about explosives.
In one of the levels of The Canyons called Boom Town, you help Uncle Jalapeño bust out of jail and in return, he teaches you the tricks of explosives. You are assisted by Devante. After you free Uncle Jalapeño, he teaches you the basics of explosives. Afterwards, he sends you to defeat the evil Sheriff Zapata .
Uncle Jalapeno makes a cameo appearance in LittleBigPlanet Karting. He can be seen in a mine car in the mine track.
- He is the 4th Creator Curator in LittleBigPlanet.
- Jalapeño does not have a mustache at some points in the story (namely whenever he is in his car).
- Jalapeño also makes an appearance in Run Sackboy Run!, where he hovers on the screen in a floating vehicle, holding a progress board to show the player how far they've ran.