[TheDemonNaruto]

The Potara Earrings were supposed to be permanent (Take Kibitokai for example) but when Vegito was absorbed by Buu, it somehow wore off... Then Goku and Vegeta crushed the earrings

The reason for different naming is just odd.... I guess they used Gogeta for the fusion dance because in the other fusion (Gotenks) it was Goten's basic name, so they decided to use Goku's name, too? Maybe.... I can see Vegito being the name of the earrings because of the cloths, it was Vegeta's blue outfit over Goku's orange shirt thingy... Also the boots and I believe gloves that Vegeta wears were also on Vegito