If your name was Glasya-Labolas, you’d be pissed off, too. Plus he mostly looks like a dog with eagle’s wings.
If you’d like, he can make all your friends and enemies love you. And give you the power of invisibility.
Hang out with him and he’ll inject all knowledge of science and art in an instant. Like others he knows the past and future. Like yours truly, this president/earl of hell is also an author… of bloodshed and murder.