Aha. The technicolor version confirms my initial reaction that there is something ever so slightly wrong with the nose in the black and white drawing that makes it look not quite like dear old Giz.
I wasn't for a moment suggesting that Mr Thornton had any Gizzy-like qualities (heaven forfend, although there is the small matter of his fierce temper). Simply restating my boring sincerely-held view that Mr Thornton is sex on a stick a more appealing gentleman than Messire Gisborne.