Guzzlord possibly might be a nod to Hydreigon, even if such is unintentional. They're both dark/dragon types[as well as the only]; both are said to either devour everything or constantly be devouring other things, and both have mouths on their arms. The difference, however, is that Hydreigon is actually good and Guzzlord sucks.
but don't tell the admins