Maxperson
Morkus from Orkus
Actually, any deity can be in pretty much any setting if brought there by worshippers and the most powerful are in many, many, many settings. Often by a different name. So Thor and Kord or Hercules and Kord might be the same god.IIRC
The lore is that every setting is it's own bubble which some deities can enter and some cannot. And those who can enter create the player species for that setting and determines their physiology and native plane.
There are exceptions of course, if say a setting doesn't have any access to divine power/magic. Gods probably can't exist in a setting like that.