V.I.P.E.R. 01 (standing for Virtually Indestructible Performance Engineered Robot and also spelt as Viper 01) was a competitor robot that fought in Series 5 of Robot Wars. It lost its only battle against Splinter in the first round of its heat. Liverdyne Robotics also competed in middleweight Robot Wars events with Hard Cheese, which won the Series 2 Middleweight Championship.