In the original manga, Vegito was called Vegerot, being a combination of Vegeta and Kakarot.
Hitler makes an appearance in the movie Fusion Reborn. Goten and Trunks get rid of him and the rest of the Nazis easily.
The fight between Goku and Frieza has a total of 3 and a half hours on screen time, making it the longest battle in anime history.
Goku has an unshakeable fear of shots and needles.
Bubbles was named after a chimp Michael Jackson looked after.