Endou Mamoru is the captain of Raimon jr. High's Soccer team. He starts out as a goalie but also play as libero later on. He is the type of person who never gives up and his teammates benefit from his mental strength and encouragement. Mamoru always think of others before himself. He also shows great admiration toward his grandfather Daisuke, which was also one of greatest goal keepers around when he was alive.

His hissatsu include:
[Season one] God Hand, Nekketsu Punch, Bakeretsu Punch, Inazuma One (with Gouenji), Inazuma One Drop (with Kabeyama and Gouenji), Tri-Pegasus (with Ichinose and Domon), The Phoenix (with Ichinose and Domon), Triple Defense (with Kurimatsu and Kabeyama) Majin The Hand and Inazuma Break (with Kidou and Gouenji).
[Season two] Fist of Justice (G1, G2, G3), Megaton Head, Death Zone (with Kidou and Domon), Death Zone 2 (with Kidou and Domon) and The Earth (with the rest of the Raimon team).
[Season three] Fist of Justice (G4 and G5),Hammer of Wrath, Ijigen the Hand, Hammer of Wrath V2, Ijigen the Hand Remastered, True Ijigen the Hand, God Catch (G2, G3 and G5) and Jet Stream (with Gouenji and Toramaru).
[Movie] Omega The Hand
[Inazuma Eleven Go 2: Chrono Stone] God Hand V
[Ares no Tenbin] Fuujin Raijin
[Orion no Kokuin] Fuujin Raijin Ghost