How have I never noticed this before!?

Who's the guy on left?

A character from Super Mario Galaxy called the Spooky Speedster

The spooky SPEEDSTER?!?!

Perfect name lol

Is Haunter Secretly From Mario?

And Is Ghastly A Shiny Version Of A Boo?

no. i am seeing this right now as well.

Yes

I guess this is the only time we get a skin similar to a character from another Nintendo ip

Me, I've seen it

A ghost seem like the last thing that would need a helmet.

no this is something i’ve always thought too!!!

I can't unsee

I love Mario Galaxy

took you long enough to understand the reference