GLaDOS

I'll have you know I graduated top of my class in the Navy Seals, and I've been involved in numerous secret raids on Al-Quaeda, and I have over 300 confirmed kills. I am trained in gorilla warfare.

Time is of the essence, Dr. Freeman. Will you accept my offer, or shall I watch as the Combine overrun this facility and capture you? They won't be as accommodating as I am.