The intruder probably should have frozen up at being caught. Shockwave, however, has something more important to do aside from answering Knockout's demand. That thing being uncovering a bit more medical data onto the screen that he felt like looking at.

Once he completes his short task, he turns around to address the upset medic, a perfect image of creepily calm purple cyclops.

"It is my understanding that you would have been informed of my arrival."

Does he really have to introduce himself? Nah. He'll just go back to looking at the much more interesting monitors.

"I am reviewing your databanks for relevant medical data regarding synthetic energon."