Baggles is a garbage bag filled with yogurt in a web segment during iBalls. He can squirt yogurt out of his nose. Freddie is disheartened when the viewers find Baggles more entertaining than Freddie himself during the segment.
Sam wanted to co-host iCarly with someone else since Carly would be going to Yakima - she didn't want to do it alone. Freddie wanted to host the show with Sam, but she said she'd rather host it with a garbage bag filled with yogurt. Carly enthusiastically agreed and came up with the name Baggles.