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I call it Pokemon, I only call it 'Pocket Monsters' or 'Pockemon' when I'm reffering to its original title for informational purposes. However as far as the anime goes, I like to Japanese version better, but I do watch the dub as well, I don't dislike it.
Honestly, I like both. I use Pokemon usually because it's shorter.
You do need synonyms when talking about your favorite creatures. My synonyms so far
Pokemon
Pokemons
Pocket Monsters
Poketto Monstaa
and Pogeys
Short, sleek and portable. =P Naw, Pokemon is just the way I like it. That's it. Pokketto Monusta' is too long and complicated to say even without the Japanese accent.