Pentagón Jr. is a Mexican luchador enmascarado signed to All Elite Wrestling (AEW) under the ring name Penta El Zero Miedo. He is a former AEW World Trios Champion with his Death Triangle stablemates Pac and his real-life younger brother, Rey Fénix. Penta and Fénix also team as the Lucha Brothers and are former one-time AEW World Tag Team Champions. They also appear for AEW's sister promotion, Ring of Honor (ROH), where they are former ROH World Tag Team Champions. He also appears in Lucha Libre AAA Worldwide (AAA), where he is a former AAA World Tag Team Champion, also with Fénix.

All Elite Wrestling (AEW) is an American professional wrestling promotion based in Jacksonville, Florida. It is owned by father and son duo Shahid and Tony Khan, with the latter being the president and chief executive officer. Its headquarters is at EverBank Stadium, the home of the National Football League's Jacksonville Jaguars, a team also owned by Shahid Khan. Since its inception, AEW has been one of the largest wrestling promotions in the world, second only to WWE in terms of annual revenue.