In between timelines, there are Alt Celestials. An infinity of them. Infinite shitlords, tilde masters, savage bitches... God damn.
Most of them usually hang out in between timelines, because a timeline shatters if two exactly the same entities exist there. This being the case for every celestial, they found a way to cheat the system and make the inter-timeline void habitable.
So, there's that I guess.
Smoltex is also an alt Vortex, but his timeline is so unstable he's now taken care of Vortex.