A Skreemer is a Ninjago minifigure released in 2015. Skreemers can attach to a minifigure's head. They are ghostly, green creatures, created by the Soul Archer's arrows. If they attach themselves to a human's head, the human will turn into a ghost. They consist of only 1 part.
- 70730 Chain Cycle Ambush
- 70731 Jay Walker One
- 70732 City of Stiix
- 70733 Blaster Bike
- 70734 Master Wu Dragon
- 70735 Ronin R.E.X.
- 70736 Attack of the Morro Dragon
- 70737 Titan Mech Battle
- 70738 Final Flight of Destiny’s Bounty
- They included in all Summer 2015 wave of sets.
- The Skreemer's appearance bears a resemblance to Slimer from Ghostbusters.
- The name is a pun on the word "Scream".