Airzel is a Gundalian, and was a major antagonist in Super Smash Bros. Crossover. Airzel is a member of the Twelve Orders. Airzel is also Gill's student. Airzel's Guardian Bakugan is Strikeflier. Airzel and Gill were killed by Cyborg Helios when he blasted a crater beneath their feet. Mason tried to save them, but they knew this was their fate. However, they entrusted Krakix and Strikeflier to him before Gill let go of Mason's hand and they fell into the lava. Airzel is revived offscreen at the end of Season 5 and is reunited with Strikeflier. In Season 7, Airzel betrays Sasuke and Mecha Sonic along with Gill. Airzel joins the heroes afterwards. In Season 23, Airzel helps the heroes in the struggle against Mechtavius Destroyer, but is killed by the tyrant offscreen. Airzel is later revived due to Drago killing Mechtavius Destroyer in the past.