|First appearance||Love's Labours Lost in Space|
|Voiced by||Billy West|
- "I understand. One day you will evolve beyond your physical body and on that day, I hope you will pick up the phone."
M5438 was a being of pure energy. The Planet Express crew met him at The Hip Joint while Amy was trying to help Leela find a date. Leela decided he wasn't right for her and by the end of the night, Amy took him home.