Board Thread:General Discussion/@comment-6192846-20140806122913/@comment-6192846-20141024030046

I agree.

Going by pure Japanese phonetics, the pun seems to be on the first character ("pu"). Ie, it's "Puresi", "Purimu", "Purusu", and "Puerikku". The R syllables don't seem to really factor in from my perspective.