How do you suck up the goo in Lego batman 2?

In LEGO Batman 2, to suck up the goo, you'll need to use the character with the appropriate ability, such as the Green Lantern or another character equipped with a vacuum-like tool. Approach the goo and activate the ability to absorb it. Make sure to clear any enemies or obstacles in your way to successfully collect the goo. Once you've collected enough, you can use it to progress in the game.