|Hair||Dark with "luminous bones"|
|Motive||Owned by Ghost of Dead Justice|
|Affiliation||Ghost of Dead Justice|
|First appearance||SDMI: Dead Justice|
- "Heigh-Ho, Greg!"
- - Ghost of Dead Justice to Greg
Greg is the spectral steed of the Ghost of Dead Justice.
It resembles a horse with glowing bones showing though the skin. It is most likely a real horse decorated with luminous paint.
Insert details here.
Powers and abilities
It is good at carrying its master into and out of combat situations quickly and can breathe fire.
Scooby-Doo! Mystery Incorporated
Insert details here. (Dead Justice)
- The call to Greg is a parody of the famous Lone Ranger call, "Heigh-ho, Silver!"