To get BBL* badges, post here proving you went to a BBL.
--> proof can be an image of the stamp sheet or promo card
To get BTC* badges, post here proving you went to a BTC.
--> proof is an image the stamp sheet
To get White Naga badge, post here proving you have White Naga.
--> proof is an image of your White Naga
To get a BakuCon badge, post here proving you went to BakuCon.
--> proof is an image of the promo card, 1000G drago, or other things from BakuCon
To get BBB* badge, post here proving you beat that video game.
--> proof is an image of your Omega Leonidas above its starting g-power
Get a BakuMeter or Gaultlet badge
--> get an image of the BakuMeter or Gauntlet
Get a Maxus Badge (red or silver outline)
--> get an image of your fully assembled Maxus Dragonoid or Maxus Helios.
Get a Colossus badge (red or purple outline)
--> Get an image of your fully assembled Dharak Colossus or Dragonoid Colossus
For all of these images, note that I have the time to search google images for 16 hours straight so I will find out if you cheat or not.
*BBL = Bakugan Battle League
*BTC = Bakugan Training Camp
*BBB = Bakugan Battle Brawlers