Eh...
The reality of it is the answer is "Krinkels". Neither of these are particularly complex concepts executed particularly impressively by either party. Madness-style animations are deliberately simple in order to allow for a lot of scenes of a lot of action with a lot of characters to be done with relative ease, to show one character walking or one character shooting isn't really indicative of much ability on either side.
That said, Ellvis' animations seemed smoother, his art seemed better, the execution had more panache. The change in expression in Jeffbee's stabbing animation didn't go unnoticed, but it kind of detracts from the almost mannequin-ish style of the madness animation to have more expression like that--it kind of invites the question of if he has a face, why not arms and legs? Things like that.
Really you should have both submitted a whole fight scene or (God forbid!) a complete animation that wasn't just in the tweened fight-scene style--even Krinkels has some changes of perspective, some frame-by frame, you know plays with it a bit more (which I think Ellvis did more than Jeffbee but not in any deeply substantial way.)