How do I tag this?

There is a mario_day tag, so maybe it can be its own tag?

NoIdea4GoodName said:

There is a mario_day tag, so maybe it can be its own tag?

I realize that we have a miku day, but it's correct if we make others day tags for other characters? like kasane teto? I think it's better if we make a general tag for those tags (like pun day or something similar)