This monster frequently shows up in the artwork of other cards. He is normally depicted along with "Gagagigo" fighting an unseen opponent together (which also shows the latter's storyline), though some cards reveal their enemy to be the "Invader of Darkness".
He has appeared in the artworks of the following cards:
The scar on this monster's left eye most likely originated from the events of "Battle-Scarred".
"The Warrior Returning Alive" most likely occurs after "Battle-Scarred", as the latter has an artwork depicting one of this monster's swords being shattered, and the former depicts this monster with only 1 sword.