Cilan (game)

 Dento (Japanese: デント Dento) is one of the Sanyou City Gym Leader trio, along with Poddo and Koon. Dento specializes in -type. He will award the player theTrio Badge if you defeat him.

In the games
Dento is not just a Gym Leader with battling skills, but he is described as a Pokémon Sommelier and has the ability to see the compatibility between Pokémon and their trainers. He is not the only Gym Leader of Sanyou City, Poddo and Koon are his partners, also being Gym Leaders. In the games, if you pick Oshawott as your starter Pokemon, he will fight you in Sanyou City. Like the other two gym leaders, he has one of Unova's monkey pokemon.

In the anime
Dento is one of the Gym Leaders of Sanyou City Gym. In addition to the Gym Leader duties, he is also a Pokémon Sommeliar and is capable of seeing the compatibility and closeness between Pokémon and their trainers. After his defeat at the hands of Ash, he decided to join Ash & Iris on their journey throughout the region of Unova. He has two brothers, Poddo and Koon.

Trivia

 * Dento seems to be taking Brock's role as the know-it-all and comic relief.
 * He will be the fourth gym leader traveling with Ash in the anime. The other three are Misty, Brock, and Iris.
 * His Japanese Leader title, which is also shared with Poddo and Koon, is トライアル　トライアングル."Trial Triangle"