It depends. As Lord Voldemort, he has no last name, but his true identity is Tom Riddle.
voldermort
yes he does, by voldermort, for the elder wand
Voldermort does not have a wife but Bellatrix and Voldermort has a child named Dephini.
Voldermort. JB
Voldermort. (Twice.)
Lupin is dead. He dies in Voldermort's last battle at Hogwarts alongside his wife, Nymphadora Tonks.
Lord Voldermort dies in Deathly Hallows.
Lord Voldermort was played by Ralph Fiennes in the Harry Potter films.
No
To make a last name ending in S possessive, add an apostrophe after the S. For example, "Jones'" is the possessive form of the last name Jones.
Typically, to show possession with a last name, you would add an apostrophe and an s ('s). For example, "Smith's car" indicates that the car belongs to someone with the last name Smith.
Voldermort would win, because he could just do Accio Kryptonite and Superman would become weak. Then Voldermort would finish him off.