I was thinking of a speedster type or an energy projector that generate portal.
the energy projector would be like a guy i saw in a spiderman comic that had a guy that had spots on a completely white body where he could grab them and toss them around. He could reach in on "hole" and his fist would come out of a "hole" behind spiderman thus hitting him by surprise.
The speedster would be very fast and electrically based with all of the typical things (powers and disadvantages) you would expect from an electrically based character. Think misfits of science for anyone who might have heard of it.
i could rough out a build for both if you would like and post it in the thread or in discord if you were to have a server i can get on and post to.