Chief Justice
From Transformers Wiki
With the power to make and enforce the law, the position ofChief Justiceis an extremely powerful one within Cybertronian society and as such its holder is denoted by a golden headpiece.
Fiction
2005 IDW continuity
The longest serving Chief Justice wasTyrestwho was elevated to the position byOptimus Primeafter establishing theTyrest Accord,a cross-faction treaty designed to prevent Transformer technology falling into the hands of other races.House of AmbusDuring his tenure, Tyrest created the "immortal lawman"Ultra Magnusto act as his Duly Appointed Enforcer,The Divided Selfappointed a panel of Autobots to work on theMagnus Inquiry,an investigation regarding the origins ofGideon's GlueBulletsand created theAequitascomputer, which was used in Autobot war criminal trials to calculate the guilt of the accused.House of AmbusThese trials would lead Tyrest to the realisation that all of the defendants wereconstructed cold,a process for which he was personally responsible and so he retreated to the supposedly lostLuna 1to engineer auniversal killswitchthat, when triggered, would eliminate every Matrix-born spark in the cosmos.The Divided SelfHe was almost successful in this genocide but was ultimately thwarted at the last second by the crew of theLost Light.This Calamitous Life
Optimus Prime later presided as Chief Justice overMegatron's trial at theRaskol ArenaonLuna 2.Towards PeaceMegatron raised complaints about his nemesis being given the final say on his sentence.Predestination: A Beginner's Guide