Exactly as it says on the tin! What's your personality type? If you look at the 16 types chart featuring ponies, I'm an INFJ, or a Celestia. Being a rarer type, it can be harder to find friends who mesh well with my idiosyncrasies.
The Super Mushrooms are similar to Fly Agaric mushrooms in appearance. Fly Agaric mushrooms when ingested in quantity can make objects appear larger or smaller than they really are.
For Mario's name, it's Mario Segale (or variant thereof for the last name) who was the loud landlord of the Nintendo of America offices.
And to refute the Luigi fact regarding a pizza place: His name in Japan is Ruij.i (or variant thereof as I'm not an expert on spelling Japanese words.) Which means "similar" in English as he looked similar to Mario in the early days of Mario.
Also the first usage of Charles Martinet's voice for Mario was on an edutainment game licensed by Nintendo.
I'm primarily Welsh-Scottish-Irish. My first name is an Anglonised spelling of a Welsh name meaning light or Princess of Light and my last name can mean "the son of Robin" as well. But my father isn't named Robin.
My childhood psychologist was fairly certain I had Asperger's syndrome. I find it hard to maintain eye contact with people and I can get overloads as well. I was formally diagnosed with ADHD as a young boy and I still take medication for it.