Goku has some of the strongest Kamehamehas, but we've seen other Dragon Ball characters use the technique well over the years.
Dragon Ball DAIMA's explosive Episode 20 opened with the new and improved Super Saiyan 4 Goku fighting against the Tetrian Oculus-powered Gomah. After giving the audience visually stunning action ...
Although the Kamehameha is the most iconic technique in the series, there are many attacks stronger than it.
The canon version of Super Saiyan 4 can't compete with God forms, but Dragon Ball GT's SSJ4 is borderline overpowered.