The Grey Mafia (Also known as Gray Mafia) is a gang in Sift Heads.
It was founded by The Black Fox. It is the rival of the Red Mafia, Blue Mafia, Purple Mafia, Green Mafia, Black Mafia, Yellow Mafia, White Mafia, Orange Mafia, Brown Mafia.
Members (Pre-Sift Heads 1)
- The Black Fox (Founder/Ledaer/Don/Boss)
- Scaleri (Underboss)
- Terry (Underboss)
- The Gray Fox (Underboss)
- The White Fox (Consigliere)
- The Snake (Caporegime)
- The Scorpion (Caporegime)
- Marco (Carporegime)
- Richardio (Soldato)
- Giovanni (Soldato)
- Angelo (Soldato)
Members (Sift Heads 1)
- Scaleri (Leader/Don/Boss)
- Terry (Underboss)
- The Gray Fox (Underboss)
- The White Fox (Consigliere)
- The Snake (Caporegime)
- The Scorpion (Caporegime)
- Marco (Caporegime)
- Richardio (Soldato)
- Giovanni (Soldato)
- Angelo (Soldato)
Members (Sift Heads 2-5)
- Terry (Leader/Don/Boss)
- The Gray Fox (Underboss)
- The White Fox (Consigliere)
- The Snake (Caporegime)
- The Scorpion (Soldato)
Members (Sift Heads World)
- The Black Fox (Founder/Leader/Don/Boss)
- The Gray Fox (Underboss)
- The White Fox (Caporegime)
- The Snake (Soldato)
- The Scorpion (Soldato)