Tributes to Gaius
Gaius is the court physician who receives a letter of Merlin’s mother Hunith is entrusted with the guardianship over her son. She hopes he will be able to watch over him and his magical gift to find a purpose for it in his life. In an interview with Richard Wilson it is stated that Gaius is Hunith’s brother. This would make him Merlin’s uncle but he has never been called Uncle in the series.