San Juan John Doe was an elderly man who was found unresponsive by his neighbors and taken to an emergency room in San Juan, Puerto Rico where he died on September 10, 2008. Few details are available in his case.
- Gray hair.
- Gray beard.
- Brown eyes.
- Surgical scar in the anterior midline of the abdomen.
- Surgical scars in the left thorax.
- Tattoo of dolphin in the left forearm.
- Tattoo of dragon in the left leg.
- Tattoo of face of Jesus Christ in the left arm.