■He had battled and tied with every main protagonist/post-protagonist Darkus Brawlers; Dạ hội giả trang in "the original series", Ace in "New Vestroia", and Ren in "Gundalian Invaders".
■An interesting fact is to note, that during the first episode of each season, he has a different illusion. In "the original series", during his battle against Shuji, Dan had an illusion of Drago, in "New Vestroia" at the beginning of the episode he "heard" Drago, in "Gundalian Invaders" he had an illusion about the Twelve Orders after battling Ren, and in "Mechtanium Surge" he had recurring nightmares about Mag...