Ultimo (Earth-616)

Quotes
"I am Ultimo, an artificial intelligence programmed to eliminate all life on Earth."

- Ultimo, telling you all you really need to know about him

"I've instigated a submolecular process in the Basinville National Forest that's converting any vegetation it touches into metal. Within two weeks, the process will have spread to your entire planet."

- Ultimo trying out the whole "assimilation" thing.

"It doesn't matter how you die, really. The important thing is that I'm finally killing you."

- Ultimo isn't too picky in how he goes about killing all humans

"This is what you people have done with life. I'm afraid you can't have any more."

- Ultimo sentences humanity to death for crimes against itself