Namesakes
Characters in Greek Mythology:
1 character
Achilles (m) 
Other Royalty:
1 prince
Alexander Ferdinand of Prussia (a.k.a. Achilles) 1912-1985 Prussia
Saints:
1 saint
Saint Achillas (a.k.a. Achilles) ?-330
Shakespearian Characters:
1 character
Achilles Troilus and Cressida