Editing is volunteer work, and I don't feel like dedicating my time to that, so no. There's nothing stopping you from making new pages on your own though. And why are you contacting me here anyway, instead of on the YGO wiki?
What's the source for this info? This enemy was only introduced in a 1997 game
I don't see how you view that as me being angry, unless you consider anyone who questions your edits as being angry. I am angry now though, because it seems like you're inserting fan-fiction here - you reinserted the info without providing proof that those are actually the Triple Cores' names.