Where can I get real hot dogs in Tokyo beside Shake Shack?

I have lived here 10 years and NEVER seen a real hot dog besides Shake Shack. Every place that says they have "authentic American hot dogs" (even Disneyland) serve the same disgusting sausage that Doutor and everyone else has. When you google "real hot dogs in Tokyo" pictures of places like C.O.D. or Skookum Hot Dog Diner come up, but the pictures don't look real either (I could be wrong on those though, I have not visited).

Where should I go besides Shake Shack???