He died on March 22, 1418 so he does not go by any name.
He did indeed traveled to Spain seeking translations of an ancient manuscript.
In "Harry Potter and the Sorcerer's Stone," it is Harry Potter, Hermione Granger, and Ron Weasley who go to Nicholas Flamel's tomb and find it empty. They discover that Flamel and his wife, Perenelle, have chosen to die rather than continue living without the Philosopher's Stone. The empty tomb signifies the end of their quest for immortality.
Nicholas Flamel is often portrayed as an elderly man with a long white beard and a wise expression. In popular culture and literature, he is depicted as a powerful alchemist and wizard, sometimes wearing robes or traditional alchemist attire.
St. Nicholas of Myra was an early Catholic bishop in the Greek colony of Patras in the Asia Minor, what is known today as Turkey. His name in Greek is Άγιος Νικόλαος. Some people try to link Nicholas with Santa Claus but Nicholas was a real person and Santa is a fictional creation.
Nicolas Cage real name is Nicholas KimCoppola.
Neil, Nigel, Nicholas, Nelson, and the list can go on.
Please specify who Nicholas is for a better answer.
Nicholas Snell goes by Nick.
Nicholas Saputra goes by Nico.
Nicholas Tripodi goes by Tripodi.
Nicholas Acosta goes by Nick.
Nicholas Bourdages goes by Nick.