Brago (ブラゴ, Burago) and Sherry Belmont (シェリー・ベルモンド, Sherī Berumondo) are main characters in Zatch Bell!. They are considered the rivals of main characters Zatch Bell and Kiyo Takamine, even though the teams fought a relatively small amount of times. Since their first appearance they were one of the most powerful teams in the series, and have been seen burning more spellbooks than any other one. They are the runner-up of the Battle to Determine Mamodo King. They used the black spellbook and gained a total of 20 spells in battle. Brago's specialty in Gravity Magic.