Choose! Choose the Form of the Destructor!

Liberace.

The Invisible Pink Unicorn.

First thing in my head: Thundercleese from The Brak Show yelling “I need his coordinates. How can I launch an offensive without the coordinates?! AAHHHHH!!”

Oh, this is easy. The destructor is a form of some sort that will obey my every command…So it needs to be something with no willpower…Can I specify a form in terms of what qualities it has, instead of what it looks like/what it is?
(since my first command could be for it to destroy itself without harming anyone, or anything, else it really isn’t important what it looks like or actually is…)

Martin Luther King Jr.

Hey, it’s him or Gandhi. And they’ll be expecting me to pick Gandhi.