 His friends were particularly amused when his gentlemanly tutor, MrBethell, in attempting to enter his room, was alarmed at the noise of the electric shocks, despite Shelley's dutiful protestations.His mischievous side was again demonstrated by "his last bit of naughtiness at school", which was to blow up a tree on Eton's South Meadow with gunpowder.Despite these jocular incidents, a contemporary of Shelley, W.H.