9 years ago today, Grant Gustin made his first appearance as Barry Allen on Arrow.

He would go on to become the definitive version of The Flash, leading his own TV series for nine seasons - and we’re so thankful for our Scarlet Speedster! pic.twitter.com/EWMbVrgiD2

— Bam Smack Pow (@BamSmackPow) December 4, 2022