Famous names clues

1.  The grumpy green giant 7.  Mr. Mathers
2.  Likes his snacks 8.  The man in charge
3.  He's no muggle 9.  He likes his precious
4.  A real swinger, baby! 10. Can't get this one out of my head...
5.  Not very good at penalties... 11.  He was the last samurai born on the fourth of July
6.  Some say he's wacko