https://screenrant.com/the-flash-grant-gustin-arrowverse-debut-anniversary-fans/

The Arrowverse fandom is celebrating Grant Gustin's debut as The Flash as it is the 10-year anniversary of when the actor first appeared on The CW.

10 Reasons Grant Gustin's The Flash Still Holds Up 10 Years After His Arrowverse Debut (https://screenrant.com/flash-grant-gustin-arrowverse-holds-up-good/)

The CW's The Flash came to an end in 2023 after Grant Gustin portrayed the superhero for a decade, and the series still holds up after all this time.