I’m sorry, what? This nightmare is worse than the one he had around Halloween that one year, I think it was in the 80’s? The one where he was all alone, with no Jon or Odie, with no food, in a run-down, abandoned house?
It’s good to see the comic properly realizing that a hobo is not the same thing as a bum. From the definition I found, however, a hobo is a homeless traveling working, and the individual in this strip does not seem to travel.
They have to be a US citizen, and members of other species haven’t been granted citizenship, but no, I don’t believe it specifically says they have to be human.
I never thought of Jon being like Kramer, but I’ll go with it, sure.