Black and white, graphite (pencil) drawing. (This is actually the third rendering of this particular image [the profile, specifically, another favorite]. The background differs for each rendering.)
I started with watercolor and watercolor, but then realised I needed a more opaque black and switched to gouache, acrylic and brush pens for the final touches. Most of the original looseness was lost after that, however he looks more accurate now I think.
That time when Tyrion, Hand of the King, had to lead the troops at King’s Landing to fight against Stannis’ forces! Since King Joffrey was too cowardly! So he picked up his axe and the troops around him yelled, ‘Half-Man! Half-Man!’