MePhoneX was a major antagonist in Inanimate Insanity II. He briefly appeared as a minor antagonist in "Hatching the Plan", and subsequently returned as a secondary antagonist in "The Reality of the Situation" and "Through No Choice of Your Own".

As revealed in "Through No Choice of Your Own", two MePhoneX's exist. Toilet remotely controlled the MePhoneX that was deleting the contestants (under the impression that he was helping them) from Steve Cobs' spaceship. 