Tonana (トナナ) is a character in Keroro Land.
According to the description with Tonana, he is a fierce warrior who uses gunpowder and takes on missions in multiple places, including Pekopon and Keron.
Using the diamond on his head he can share his powers with his allies. He also fights with his Keron Diamond sword.
- Tonana's creator is known as Type N･S (ﾀｲﾌﾟN･S). The rough draft to Tonana can be seen here.
- His favorite food is Omurice, and his least favorite food is tomatoes.