|Tailed Beast||Matatabi (Summoning)|
|Chakra Natures|| Water Release|
|Academy Grad. Age||13|
|Chunin Promo. Age||14|
|Jonin Promo. Age||16|
| Summoning Technique|
Riaken is the brother of Riako and Aneko. He is very skilled in summoning beast, like tigers, lions, bears etc. He is the youngest of their family and is also very immature. One of his strongest techniques is; Summoning Jutsu: Blue Twin Beast
When Riaken was 4 and his mom took him to carnivals to see the animals to perform, and that is when he started to be very fascinated with animals. His favorite animal was the tiger, so what his mom did when he turned 9 his mom had him sign a contract with the tiger and wolf species. The animals were babies when he was 9 so they were easy to tame and control. At that age, he could train them to do the things he wanted. When Riaken was 15 the animals were full grown, now they were bigger than him. Then he he started to move to other animals to tame and control. He started to tame lions, bears, cheetahs etc.