Idea inspired from pokemon creature types
A dossier of Mortal Kombat characters adapted to the Cosmic Era Setting
One of the preeminent occult scholars of the Cosmic Era, well versed in ancient mysteries, and one of the hidden masters manipulating the Cosmic Era.
A hostile race discovered through dimensional boring. The first encounter with the violent and nomadic Tarxan occurred in Neo-Constantinople of the Eurasian Alliance, hence the Turkish/Central Asian rooted name.
Surnames: The Chinese were among the very first cultures to adopt the use of hereditary surnames (around 2800 BC). But the custom didn't quite catch on in Europe - at least not until the Venetian aristocracy made it popular sometime between the 10th and 11th centuries AD. What culture made it popular in your setting and why?