He's not quite correct, there needs to be a few scars -- one very obvious on his shoulder -- and an RAMC tattoo. Alas, the AI does not seem to grok that sort of ink. It gave me these instead:

 

Blue-pants Watson's undies have been touched up in Photoshop so as to comply with TOS, otherwise the renders are straight out of SD. I think we can all agree that is NOT the Royal Army Medical Corps insignia.