- "Gigobyte" > "Gagagigo" > "Giga Gagagigo" > "Gogiga Gagagigo".
- "Gagagigo" was given his "Giga" form by "Kozaky" in order to combat "Invader of Darkness". The cybernetic enhancements("Level Conversion Lab") would eventually drive him mad.
- After losing his heart, he meets "Freed the Brave Wanderer" in battle again ("Draining Shield").
- "Giga Gagagigo" and its previous forms usually have more ATK than most monsters of the same level. They also have a "50" in their ATK.
- "Giga Gagagigo" is featured on the artwork of following cards: