Good dog, Rex!
Cartoonist/animator Paul Moldavanos pointed this one out. If it seems that Rex the Dog puts more creative energy into their animation than their music, it's likely because "they" or "he" are (is) a British remixer who does dance compilations. The web site is a little sparse on information, other than tour dates. The video, on the other hand, contains all that is necessary and much that is just plain awesome!