|JP name||円堂 大介|
|Game||Inauzma Eleven GO Chrono Stone|
Endou Daisuke (円堂 大介) is Endou Mamoru's grandfather
He has grey beard and mostly hides his identity with his black glasses although his eyes are shown to be black. He is shown to have similar appearances with his grandson, Endou Mamoru.
He is kind and a warmhearted person. He cares about his grandson, his whole family and his team too. Even though at times he can get angry.
Raimon first had a problem in trying to read the Scriptures of the Champion, especially when they cannot see Daisuke anymore because he is dead, but Fei suggested they can time travel to the time where he is still alive.
Daisuke appeared in Episode 10. He talked to Kidou Yuuto and Sorano Aoi. At the end of the episode, he said to Raimon that he will be their coach for the match opposing them against Protocol Omega 2.0.
- In the time were Fei lives, he's been called Master D.
- It was mention in Episode 9 that he is known to be the most legendary player to ever be known in that soccer world.