Cnut the great was a boss, but I'm sure there were people who disliked him like the normans who were yearning for control of england and essentially waiting for him to die. You can be one of those people
I would advise not changing your name as it is a pretty solid name, however since mousseau is a red name and you have given us the decision, i would change it to something along the lines of FUCK-YOU-BITCHES or something else to that effect