This question lists a few Pokemon that don't use their names to talk:
I can think of a couple more:
Both of these only do a simple roar. There's also this list of Pokemon that can speak human languages, but that's not what I'm looking for.
Specifically, I want to know, according to the anime, which Pokemon do not use their names when they communicate.
If they do use their names, but have another method of communication (other than telepathy), like sign language, drawing, or something else, that would count as well.