Well, a good example of Yamamoto's abilities as an illustrator can be seen in his recent--and rather hunky--portrait of Sega's Space Harrier:
Go here to see an animated version of this portrait, by the way. (The static version, above, was taken from here.)
To see more such portraits of famous and not-so-famous game characters--including Jennifer from Rule of Rose, Vincent from Catherine and Francis York from Deadly Premonition--check out this Flickr set.
