It's just a monster that Espa Roba used in the anime. But it was just a normal monster there and wasn't used as a trap card or anything like that. Not sure about the manga though.
This card is excellent and it goes hand and hand with Dark Necrofear. Whereas Dark Necrofear removes cards from the graveyard to summon itself this card is able to be special summoned when monsters are banished.
if you use the combination D/D/D Caesar king of waves and D/D/D arc, queen of oracles you can easily counter this OTK and secure a win against it or increase your life points in your favor.
I wanted to do an album with the sounds of the ’50s, the sounds of the ’60s, of the ’70s and then have a sound of the future, and I said, “Wait a second.. I know the synthesizer. Why don’t I use the synthesizer, which is the sound of the future?”
But I didn’t realize how much impact it would be..