Endou Daisuke

Endou Daisuke(円堂 大介) is Endou Mamoru's grandfather and the original Inazuma Eleven's coach. He is then taken a disguise to find out about the accident with the Inazuma Eleven.

Plot Overview
He was known for being one of the best in soccer, his grandson Mamaru idolized him. During this time it was said that he was dead but before he died he was a great person. They said that he was dead, but it was later revealed that he was still alive and that he is the coach Little Gigant. It was said that he could have died because of Kageyama. Mamoru managed to win the Football Frontier by using his techniques. He was good friends with the Principle of Yokato Junior High, and trusted him with one of Daisuke's notebooks, containing Fist of Justice, Mugen The Hand, and The Earth and other un-named hissatsu, telling his old friend as stated, to burn the book away.

In the FFI, Natsumi said to Endou that his grandfather might be on the island, which made Endou happy. He is always seen in a truck and driving around. In Endou's progress in the nationals, he always looks out. He was reffered by Endou as the old man with a tire truck because he still doesn't know that he is his grandfather. His cover was blown first by Natsumi, and then he revealed himself to Detective Onigawara. In the games, they will fight his team in the finals. They also have a teary reunion and explained to Endou why he couldn't meet him and fake his death.