I read The Model Millionaire (Wilde, 1887) today, and Alan Trevor and Hughie reminded me a lot of Basil Hallward and Dorian Gray.
"Trevor was a painter. Indeed, few people escape that nowadays. But he was also an artist, and artists are rather rare. Personally he was a strange rough fellow, with a freckled face and a red ragged beard. However, when he took up the brush he was a real master, and his pictures were eagerly sought after. He had been very much attracted by Hughie at first, it must be acknowledged, entirely on account of his personal charm. [...] However, after he got to know Hughie better, he liked him quite as much for his bright, buoyant spirits and his generous, reckless nature, and had given him the permanent entrée to his studio." (Wilde, 1887)
Physical description
Neither of them is considered typically handsome, almost in contrast with the art they create.
Trevor
"he was a strange rough fellow, with a freckled face and a red ragged beard."
Basil
"I really can't see any resemblance between you, with your rugged strong face and your coal-black hair, [...]. [...] of course you have an intellectual expression, and all that." [description by Lord Henry]
The interaction with Hughie/Dorian
The description Basil gives of meeting Dorian feels like an exaggerated version of Trevor's history with Hughie.
Trevor
"He had been very much attracted by Hughie at first, it must be acknowledged, entirely on account of his personal charm. [...] and had given him the permanent entrée to his studio."
Basil
"I knew that I had come face to face with some one whose mere personality was so fascinating that, if I allowed it to do so, it would absorb my whole nature, my whole soul, my very art itself. [...] I couldn't be happy if I didn't see him every day."