This is Veron Zapper, a Lego figure built by Eero Okkonen. Veron is an “urban speeder contest enthustiast” (a reference to a previous Lego build) who loves to roller skate. The idea is that the roller skate is attached to the boots. Above the wheels are some shocks before it gets to the foot part. The boombox is a great accessory that brings personality, and a lot of posing options to the figure. The box uses a Lego chain, and some Lego Dimensions bases. The whole figure is a great example of combining Lego system, with Bionicle, and other miscellaneous parts. A great feature about Veron Zapper is just how many poses you can put the figure in. There is a full range of motion in all the expected places. A few that are not as obvious is that the fingers all move individually, and the wrists can swivel. The best detail are the pair of Ninja Turtle shells being used for elbow pads!
You can find a lot more information, and view a lot more photos of Veron Zapper over here: http://cyclopicbricks.blogspot.com/2020/06/veron-zapper-heartened-by-mayfly.html