Well, since #3 seems to be answered...
My Yoshi's orange, and his name's Yoster. I wanted to name him Yo'sta, like Yo'ster Isle in SMRPG--"gangsta"-ized, but I didn't see an apostrophe character on the menu. ...And Yosta just looked stupid to me. :( Ah well, I'm happy with the name Yoster.