I've corrected the article. It is possible the Saiyan in Red is Giblet but at the moment there is no proof. The datamining doesn't reveal anything factual that reveals the Saiyan in Red's true name. And where did you find out that Shallot was his brother?
They didn't. Sometimes you will find unsourced and made up information on here because certain people are too lazy to actually see if its real. If you try to remove unsourced and false info then some people here will sit on their computers 24/7 and keep reverting your edits.