Xuppu is the kwami of Jubilation who is connected to the Monkey Miraculous. With his power, Xuppu's wearer can use the monkey Miraculous to transform into a monkey-themed superhero. He is currently dormant in his Miraculous in Master Wang Fu's Miracle Box, as seen in "Sapotis". In "Party Crasher", he becomes active to help Lê Chiến Kim transform into King Monkey.
Not much is known about Xuppu except he's mischievous and playful. He is also easily offended as shown when Kim called him a plushie.
- Xuppu was first revealed from a second season trailer on August 31, 2017.
- Xuppu's name was confirmed in the credits of the Latin American Spanish dub of "Sandboy".
- Among many things, monkeys are symbols of honor, instinct, swiftness, and playfulness.
- The monkey is the ninth animal of the Chinese zodiac.
- Xuppu is the only known kwami with a name related to one of their holders (Sun Wukong, the Monkey King); his name is based on Xu Sheng, a character that rejects the existence of Sun Wukong before becoming a devotee of his, in the story "The Great Sage, Heaven's Equal" written by Pu Songling.
- Along with Ziggy, he is one of the only known kwami named after people.
- In the Brazilian dub, Xuppu is called Tuppu.
- In the French dub, Xuppu's name is pronounced "Z-uppu"; it is pronounced "Sh-uppu" in the English dub to match the Chinese pronunciation of X.
- Xuppu's original "concept" was Derision, before ultimately being changed to Jubilation