Callisto, a moon of Jupiter, was discovered by Mr. Galileo Galilei, himself. (Source)

There's a genus of lovely moths (lovely in a moth-y way, at least) named after the beautiful Callisto. (Source)

What do you think of Callisto as a hardcore death metal girl? We wonder if she'd like her namesake: the band from Turku, Finland. (And yeah, that's a real place). (Source)

The name Callisto means "most beautiful" in Greek. (Apparently her parents weren't worried about her getting too cocky.) (Source)