Might I add, that Pokemon aren't EXACTLY like humans who can learn another language. XD;
Meh. For, me, I think Charmeleon, Scyther, Gyarados, Pidgeot, Articuno (Umm ... o.o; I didn't mean a pun to come) Sandslash, Persian, Flareon, and PSYDUCK!!!!!! ^___^
Man, I have a long list of number ones. XD;
edit: Also Kyogre, Groundon, Quilava, Grovle (the ultimate cool guy in looks), Electrode, Kingler, ... @_@; I'll stop. XD;