I'm not sure who the artist is, but they're the same artist that did the last three submissions I put up. The filenames had "ren" in them, if that helps.

"Thank You, but our princess is in another castle!"
"Who cares!"

Here´s the site of the artist
http://karen.saiin.net/~sekizai/

It's the three girls from the Mario vs Donkey Kong commercial

Here's a the real ones.
http://www.hongfire.com/cg/data/9/toadettes.jpg

Looks like Minimarios are not the only thing DK is after. ;)