#4 Cody Rhodes is known as Cody in AEW

Apart from his stint in WWE as Stardust, Cody Rhodes has performed under his actual name for WWE and other promotions. This has allowed him to use his family name which was made famous by his father, WWE Hall of Famer Dusty Rhodes, and he has carried the torch well.
After a lengthy WWE career that lasted over a decade, Cody became the Executive Vice President of AEW and has since been one of the top stars of the promotion.
Cody became the inaugural AEW TNT Champion and has had several major feuds that have helped AEW develop some new stars.
#3 The Bulgarian Brute joined AEW as Miro (Miroslav Barnyashev)
Bulgarian-born wrestler Miroslav Barnyashev had a lengthy career in WWE as Rusev. His tenure with the company lasted over ten years, and he managed to win a few titles during his stint.
However, the WWE Universe was shocked when the company released him in 2020. On the September 9, 2020 episode of AEW Dynamite, Miro made his debut for the promotion to the delight of his fans.
While he became well-known in the wrestling industry as Rusev, Miro decided to use his actual name for AEW. Miro is the shortform of his actual first name Miroslav.