|Episode First Shown in||Ghost of Maiden's Peak|
|First Known Owner||Officer Jenny|
|First Game Appeared in|
|National Dex Number||092|
Gastly is nothing more then a black ball of sinister, gaseous matter. It has two, huge triangular eyes, each with a tiny black pupil, a small pink mouth with two white fangs coming out. Purple gas surrounds its black ball of gaseous matter.
A salesman used his Gastly to battle Zach's Mankey.
Several wild Gastly appeared in Spirit Tower.
- Ian's Gastly debuted in Vs. Gastly.
- Wild Gastly appeared at the Burned Tower in Vs. Misdreavus.
- Wild Gastly appeared in Vs. Suicune.
- A trainer's Gastly appeared in Vs. Battle Tower 2.
- Wild Gastly appeared in Shadows in the Lost Tower.
- A wild Gastly appeared in Vs. Budew.
- Several Gastly appeared in Getting Hauntered.
- Gastly is the Pokémon for Luigi.
- It appeared in Smash Begin! Its ability is Levitate.
- Charlie,s Gastly debuted in Charmeleon & Pidgeotto VS Gastly !.
- Mean Look
- Night Shade
- Confuse Ray
- Sucker Punch
- Shadow Ball
- Dream Eater
- Dark Pulse
- Destiny Bond