They're all: Blue, Have a name that starts with an S and is an allusion, and they're all quirky

Unfortunately osmosis jones's name does not start with an s.

Blu

But, skatez exists

Ew

What?

I'm bussin

For those who don't know what an allusion is, here's what I mean: "Sans" is a reference to the font Comic Sans, a "Shiver" is a pack of sharks, and "Sonic" is a term used to measure speed