| Pokedex Entries: |
| Red | Because of its ability to slip through block walls, it is said to be from another dimension. |
| Blue |
| Yellow | By licking, it saps the victim's life. It causes shaking that won't stop until the victim's demise. |
| Gold | In total darkness, where nothing is visible, HAUNTER lurks, silently stalking its next victim. |
| Silver | Its tongue is made of gas. If licked, its victim starts shaking constantly until death eventually comes. |
| Crystal | It hides in the dark, planning to take the life of the next living thing that wanders close by. |
| Ruby | HAUNTER is a dangerous POKéMON. If one beckons you while floating in darkness, you must never approach it. This POKéMON will try to lick you with its tongue and steal your life away. |
| Sapphire |
| Emerald | If a HAUNTER beckons you while it is floating in darkness, don't approach it. This POKéMON will try to lick you with its tongue and steal your life away. |
| FireRed | If you get the feeling of being watched in darkness when nobody is around, HAUNTER is there. |
| LeafGreen | Because of its ability to slip through block walls, it is said to be from another dimension. |
| Diamond | It can slip through any obstacle. It lurks inside walls to keep an eye on its foes. |
| Pearl | It licks with its gaseous tongue to steal the victim's life force. It lurks in darkness for prey. |
| Stadium 1 | If you trip and fall for no apparent reason or hear a sound when no one is around, it may be a HAUNTER. |
| Stadium 2 | In total darkness, where nothing is visible, HAUNTER lurks, silently stalking its next victim. |
| TCG | Dark Haunter: It silently hunts its prey in dark rooms. |
