Yuku (ユーク Yūku?) is a male beagle Jewelpet who represents Intelligence.


Yuku is a naturally colored beagle dog with a light brown head, dark brown ears, coat and tail tip and white body and tail. His Jewel Eyes are made out of blue euclases. For his attire, he wears a blue beret on top of his head and a light blue bowtie around his neck.

Charm Form


Yuku's Jewel Charm is hexagon-shaped. It is decorated with blue euclases and a blue musical note in the center, along with Yuku's bowtie in the bottom. It also features a yellow base with white waves and trim for decoration.


According to the official website, Yuku really loves to sing, and isn't afraid to show off his singing voice.

In the first series, Yuku believes magic shouldn't be relied on for everything, based on his own lack of talent at it.


As the Jewelpet of Intelligence, Yuku's magic spells can increase humans' intellect and make them much more smarter and clever. His power in the official setting can also allow humans to settle arguments in a calm way. In Jewelpet, his magic can give humans insight too.


In Jewelpet

Yuku is the Jewelpet partner of the Prime Minister, awoken by him, Rinko and her friends.

In Jewelpet Twinkle☆

Yuku is the partner of Gunho, a contestant at the Jewel Star Grand Prix from the same school as the Three Angels. They fight and lose against Akari and Ruby.

In Jewelpet Sunshine

In episode 26b, Yuku is a painter who meets Ruby at a group date and asks her to pretend to marry him to please his grandparents. Ruby gets angry at him for lying to them and he ends up genuinely falling in love with her. In a later episode, he is seen in the human world trying to sell his artworks.

In Jewelpet Kira☆Deco!

Yuku is part of the NEET Triangle Trio in the Japanese-styled palace along with Chite and Nix, who wants to be noticed by others.

In Jewelpet Happiness

In episode 41, Yuku is searching for a girl who helped him many years ago. That girl turns out to be Taira.

In Lady Jewelpet

In episode 29, Yuku is one of the dogs used to test the Petite Ladies' skill at dog-walking. He is partnered with Charon for being the gentlest and most perceptive.


Main article: Yuku/Image Gallery


  • Yuku's jewel motif is the euclase, a beryllium aluminium hydroxide silicate which is a product of the decomposition of beryl in pegmatites.
  • Yuku shares the same Japanese voice actor with Lester from Yu-Gi-Oh! 5D's.
Community content is available under CC-BY-SA unless otherwise noted.