What is the name of the dark wizard who was infamous for his experiments in dark transfiguration?
Herbert Varney
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> What is the name of the dark wizard who was infamous for his experiments in dark transfiguration? [/INST] Herbert Varney </s>