Dark is a bit of a stretch. A tall ghost tries to trick children into following it, but it never works because it can't stop saying popopo. The average Courage the Cowardly Dog villain is more threatening.
I mean the thing about wanting to be a lizard and having two frills on page 7, from context it looks like it's a dirty joke but I can't make any sense of it
Not doing anything is one thing, being afraid is fairly understandable. His first thought afterwards being how hot it was to see his childhood friend getting raped is another. The kid's a fucking psycho