Daigunder (爆闘宣言ダイガンダー, Bakutō Sengen Daigandā) is a Japanese anime television series about humans using robots in tournaments.

Created by Nihon Ad Systems and Takara and animated by Brain's Base, the studio’s first television production, the series aired on TV Tokyo and its affiliates from April to December 2002.

A boy named Akira Akebono plans to win the Titan Belt with his robots Bulion, Eaglearrow, Drimog, Bonerex, Despector, Trihorn, Ryugu and also Daigu who form the mighty Daigunder.

Voiced by: Tetsu Inada (Japanese); Bob Papenbrook (English) Blue Thrasher Bulion (蒼き稲妻ブライオン, Blue Lightning Bulion) is the Leader of Team Akira's Animal Unit and attacks with his Thunder Claw attack.

With Eaglearrow and Drimog on his arms he can perform the Daigulion Blaster, and his finisher is "Thunder Fang Battle Claw".

Voiced by: Ryotaro Okiayu (Japanese); Paul Schrier (English) Jurassic Soldier Bonerex (ジュラシックソルジャーボーンレックス) is the leader of the Dino Unit who attacked the mayor's town when the mayor was placing an amusement park in the Dino Units area.

He can Metamorphic Fuse with Daigu to become the Swordplay King Daigarex (剣闘王ダイガレックス), with attacks such as the Air-Slicing Beast Sword and Daigurex Fire, which he performs with Despector and Trihorn on his arms.

Incredible Quadruple Robot Megarex (衝撃の4体駆動メガベックス, Four Body Force Shockwave Megavex) is the Power Fusion of Eaglearrow, Drimog, Despector, and Trihorn.