Junk Synchron is a fictional monster card from the anime and trading card game series Yu-Gi-Oh! (Yuugiou), specifically prominent in 'Yu-Gi-Oh! 5D's'. This Machine-type Tuner monster is known for its signature orange outfit and mechanical arm, and is a key card used by the protagonist, Yusei Fudo. Junk Synchron's ability to revive low-level monsters from the Graveyard makes it essential for Synchro Summons, playing a crucial role in Yusei's strategy and symbolizing his resourcefulness and determination.