In 1997, a man claims, "My father was a wizard, he was, look him up, Arkie Alderton," (DH13). The use of past tense seems to indicate that Arkie is dead by 1997.
It's possible Arkie is descended from Archibald Alderton, whose name he shares.
Dates fl. 20th century
Species / Race wizard
Profession Broomstick designer
First Introduced DH13