Klaus' full name is Klaus B. Baudelaire.
Klaus Nomi's birth name is Klaus Sperber.
Klaus Wille's birth name is Klaus Peter Wille.
Her Real Full Name Is:[ Alecia Ann Marie Novinski]
Klaus von Dohnanyi's birth name is Klaus von Dohnanyi.
Avi's real name is Edward Ivring Wortis.
Nikklaus
His full name is Gustav Klaus Wolfgang Schäfer
Gustav Klaus Wolfgang Schafer
Sterling Sandmann Knight is his full real name.
his real name is Zain Malik and his full name is Zain Javadd Malik
Klaus Nomi's birth name is Klaus Sperber.
Klaus Renft's birth name is Klaus Jentzsch.
His real name is Niklaus. 'Nick' is just a modern nickname for him.
The actor who plays Klaus is named Joseph Morgan :)
Klaus Salin's birth name is Klaus Torsten Salin.
Klaus Nielsen's birth name is Klaus Scharling Nielsen.
Klaus Zmorek's birth name is Klaus H. Zmorek.