As one can imagine, (given his origin) Doc Valiant's been around for a while. So that means Doc's had quite a few costumes and outfits over the decades.
Well here's his original (Golden Age) outfit that he wore post-experiments. Tried my best to take some inspiration from Golden Age heroes, like The Black Terror, Defender, Phantom Bullet, Captain America, Falcon, etc.
So yeah... here's a much younger (and shorter) Doc Valiant, in his first costume (which he personally hated btw). Also with him is his trusty canine companion Rocky.
Used Cyclops' body, Cody's head, and Captain America's boots. Hope it looks good.