- Type: Ghost/Grass
- Ability: Intimidate or Frisk
- Hidden Ability: Insomnia
- Category: Pumpkin Pokemon
- Height: 3'07" - 5'07" long
- Egg Group: Amorphous
- Gender Ratio: 50/50
- Evolves from/into: Evolves from Large or Super Size Pumpkaboo with a Large Gourd
- Typical Habitat: Iantha Forest
- Item Drop: Pumpkaboo Seed, Large Gourd (rare)
- Dex Entry: A special evolution of particularly large Pumpkaboo. If you hear an eerie yowl on a night with a full moon, it is almost certainly a Pumpkerwaul on the prowl.