At the rhythm of the mail notification from the PET when you turned it on there was the apathetic and intimidating looking skeleton who greeted you in a cordial and respectful way.

Skullman ExE: "Greetings dear operator I must advise you that you have received a message to your mail, would you like to see it or would you like me to postpone that message for later?"

the skeleton waited patiently for the skeleton, calmly and gloomily observing his user, waiting for any order