Adam was one of the earliest humans and resided in the Garden of Eden with the rest of mankind. The Garden of Eden was being guarded by Gadreel from the archangel Lucifer, but Lucifer managed to trick Gadreel into letting him in. Lucifer then tricked Adam and Eve into eating the forbidden fruit, and they were expelled from the Garden. Adam and Eve would later have several children, most notably their two first sons, named Cain and Abel, whose descendants would populate the whole Earth.
After Jack, Lucifer's Nephilim son, enters the Occultum, he is transported to the Garden of Eden where he meets a mysterious young girl. After the girl identifies where they are, Jack asks if she means like Adam and Eve which the girl confirms, stating that God had greatly loved them -- his prized creations -- and hid the Garden of Eden after the exile of humanity and sealed it off from any human ever entering it again.
- Season 9
- Road Trip (mentioned only)
- Season 10
- The Executioner's Song (mentioned only)
- Season 11
- Alpha and Omega (mentioned only)
- Season 15
- Destiny's Child (mentioned only)
- This is the second Adam in the series, the first being Adam Milligan who is ironically the half-brother of Sam and Dean who are the direct descendants of Cain and Abel.