Hypno-Disc but it's designed by 2021 standards (Robot Rumble 2) : r/ robotwars
Hypno-Disc - Wikipedia
Hypno-Disc | Robot Wars Wiki | Fandom
Old photo of me and Hypno-disc many years ago (I'm the one in the green sweater) I'm not sure what incarnation it is but I think it maybe the series 5 version.
Hypno-Disc (right) and Razer (left) side by side. | Battle bots, Outdoor decor, Decor