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


Yuku is a naturally colored beagle, he is light brown, brown and white in color along with blue euclase Jewel Eyes. He wears a blue beret on the top of his head and a light blue bowtie on 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.


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 Intellect, Yuku is one of the more intelligent Jewelpets and has better deductive capacities than any other.


In Jewelpet (anime), he is the Jewelpet partner of the Prime Minister, awoken by him, Rinko and her friends.

In Jewelpet Twinkle☆, he 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, he 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. He is later seen in the human world trying to sell his art.

In Jewelpet Kira Deco, he is one of the ninjas in the Japanese-styled palace along with Chite and Nix.

In Jewelpet Happiness, he is searching for a girl who helped him many years ago. That girl turns out to be Taira.

In Lady Jewelpet, he is one of the dogs used to test the Petit Ladies' skill at dog-walking. He is partnered with Charon for being the gentlest and most perceptive.




  • Yuku's jewel motif is the euclase, a beryllium aluminium hydroxide silicate which is a product of the decomposition of beryl in pegmatites.