Gear

GEAR is the awakened vessel of Greed, born from the Marlon Spoon. The Master of the Graveyard refered to him as "the soul of Adam who fell into the trap", hinting that he might be the reincarnation of Adam Moonlit. GEAR is also known as the Second Guardian of the Clocktower, and successor of Gallerian Marlon who built the Gallerian's Theater.

His role is keep the clocktower running or else the Clockwork Doll will die. When the clocktower inner mechanism became too deteriorated he sacrificed himself by taking out his own heart and used it to power the tower. Because he had done this, he is forever bound by the clockwork, never to leave the clocktower again.

GEAR expresses a dim view of the future, saying that nothing will exist in the end.

Heartbeat Clocktower (EC 990)
GEAR narrates the story so far in Heartbeat Clocktower, from the construction of Gallerian's Theater to the awakening of the Deadly Sin vessels. The ones that have awakened at the time are the Master of the Graveyard, her servants, and the Waiter. Also present was the Clockwork Doll, who was close to dying when the clock is starting to stop functioning. GEAR used his own heart to power the clocktower, thus he shackled himself to the clocktower pernamently.

Capriccio Farce (EC 998)
GEAR makes an appearance in Capriccio Farce. He doubts that anything will exist once the Deadly Sins have been reunited.

Connections to Other Characters
Clockwork Doll: The awakened Deadly Sin vessel whom which GEAR is assigned to keep alive. GEAR feels close to her due to their connection to Gallerian Marlon.

Waiter: Apparently, GEAR knows about her personally and is aware of the fact that she feels lonely due to the loss of her "other half".