I was going to say "Smiley" too.  

Now I'm going to go with Leg-o-Man.  Because when I was a kid I had this clip art collection with some heraldic symbols, and the one that was the Isle of Mann triskelion had the file name "legoman" which I thought was extremely weird what with how I had no idea what that symbol was and couldn't figure out what it had to do with Lego.  And smiley there kinda looks like a triskelion.  

...

That's not actually what I'm going to have my character call it.