Alfred Alembick is the identical twin brother of Professor Hector Alembick. Despite the similarities, he has very good eyesight and does not smoke.
He stole the identity of his brother as part of the Bordurian/Syldavian conspiracy to steal the Ottokar Sceptre. He was arrested by King Muskar XII. He and Hector Alembick were both portrayed by voice actor Peter Wildman in the King Ottokar's Sceptre television episode in the The Adventures of Tintin television series.