Henry Pym
KAMEHAMEHA
1 What has Goku actually blown up with this?
2 What attacks has Goku deflected with this?
3 What other tricks did Goku do with this attack?
A) On the way to Namek while in base form Goku was able to use the Kamehameha to pull himself out of a sun's Gravitational pull.
These are just a few out of many examples
Kamehameha:
What has been hit with it?
-put a hole through bulma's car (base form)
-blown up the upper half of Cell's body (as SSJ)
-put a huge hole through Majin Buu (as SSJ3)
-blown up Vegeta (base form)
-blown up General Rilldo (child Goku in GT, SSJ)
-blew up one side of Raditz's body (base form)
-destroyed various minor enemies (often base form)
-blown up Super Baby Vegeta (as SSJ4)
-blown up various parts of the Red Ribbon Army (base form)
What has been deflected with it?
-deflected Vegeta's Gallick Gun (base form)
-deflected a huge Ki wave directed at Earth from Super Baby Vegeta (SSJ4)
Other stunts with the Kamehameha:
-Goku shot it through his feet (base form)
-Goku combined Instant Transmission with Kamehameha against Cell (SSJ)
-Goku developed a way to change the Kamehameha's direction after being fired (base form)
-Goku shot it at the ground to send himself flying upwards (base form)