Thundering Warlock Name Question6

This question test your sense of humour to find the Thundering Warlock Name that works best for you. What Do You Think of This Joke?

So I went down my local ice-cream shop, and said 'I want to buy an ice-cream'. He said Hundreds & thousands?' I said 'We'll start with one.' He said 'Knickerbocker glory?' I said 'I do get a certain amount of freedom in these trousers, yes.'

Funny Not Funny