Mechanic who works for the Millefiore. Is a foreigner, and likes katakana, kanji, and green tea. After fighting Tsuna in the King Mosca, he takes him hostage in order to help/make him complete the X Burner. Is always seen with a wrench-shaped sucker in his mouth.

When saying "I" he uses "Uchi" which girls speaking in Kansai-ben dialect use.