After a debate lasting four and a half centuries, several scholars have concluded that Michelangelo painted "The Torment of St. Anthony" between 1487 and 1488, when he was 12 or 13 years old.
Here's one researcher describing his reaction to the painting:
I looked at it and said this is self-evidently Michelangelo. There’s a section of the rocks with cross-hatching. Nobody else did this kind of emphatic cross-hatching.
Apparently, this guy has never come across the work of Jim Lee:
Emphatic cross-hatching indeed. The subject matter is not all that different either, actually.
Here's a detail of the painting: