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Pokemon isn't meant to be literal. Fuecoco can be based on El Drac de Na Coca, a legendary crocodile ancient people in Mallorca called a dragon.
Charmander is clearly meant to be a "lizard", but it's inspired by the Mythical Salamander, salamanders aren't even reptiles. But look at salamanders, many look like reptiles, now imagine this animal without its legs.
Fuecoco = Dragon rep, Charmander = Snake rep.