"Some cause happiness wherever they go. Some, whenever they go."
"He has no enemies, but is intensely disliked by his friends."
Oscar Wilde, you rogue.
Although, further to the argument for Winston Churchill as primary source of put-downs is his rejoinder to George Bernard Shaw:
“I am enclosing two tickets to the first night of my new play; bring a friend... if you have one.”
–George Bernard Shaw to Winston Churchill
“Cannot possibly attend first night; will attend second, if there is one.”
–Winston Churchill’s response to George Bernard Shaw