"143 is the monster of your team. Sometimes we feel his future will be ruined," -Lama Su regarding Monster
| Alpha 143|
|Born||32 BBY, Kamino|
|Chronological and political information|
Alpha 143 nicknamed "Monster" was a Force-sensitive Alpha-class ARC Trooper that was born on 32 BBY. He wasa member of Jedi Squad like his mates Alpha 144, Alpha 145, Scream Alpha 146, Alpha 147, and Alpha 148; whom had a female gender, unlike all the other members. Once the First Battle of Geonosis began, he had to fight Dooku, who was a Sith Lord. But Dooku was able to convince Monster to join the Confederacy.