Byonko
ビョンコ
Byonko is a talking frog mamodo from the Mamodo world. Byonko himself gets upset very easily and is always worried especially about making friends. During battle he is shown to be complimenting himself on how good his skills are instead of worring about the enemy.
At some point he befriends Zofis and assists him in collecting the Ancient Mamado that were locked away in stone tablet but Zofis could revive them as his servants. Thinking that he and Zofis were friends, he along with Penny joined Zofis and became his first two assisstant duos for the Ancient Mamodo. They held power over the ancient Mamado and would give orders to them to attack and destroy Zatch and Kiyo along with their other friends.
