The Monitors were incredibly powerful cosmic beings.

Later, Boiffard became a cosmic being.

All were cosmic beings, and we traced our origins back to the beginning of the cosmos.

During its time as a sentient and nameless entity, it traveled the cosmos just like other cosmic beings.

Certain information such as concerning cosmic beings was more easily accessed than other information.

Each cosmic being is unique, but they often have the following characteristics in common:

Celestials - A race of cosmic beings with several human-like qualities.

They manage to hurt the cosmic being, but are thrown off their goal by zombie "heroes," Wolverine being one of them.

Thanos is thus able to use the Heart's power to absorb the cosmic beings into himself - and, in doing so, he absorbs the entire universe.

These cosmic beings interact with the various mythological pantheons and with mortals.