Clu had gotten rather absorbed in his task, confident that he wouldn't be disturbed with the ship so empty. Thus the cheerful greeting and he presence of someone else nearby startled him badly enough that he jumped, then spun around to face the newcomer...

Only to find that it was one of his fellow... passengers, a humanoid robot with primarily red armor. He couldn't recall ever hearing the mechanoid's name, though. "Man you scared the code out of me," he said with a sigh of relief. "I didn't know there was anyone else here."