Here are all the speculated lore connections between the two mobs and the new biome. Note: This article only discusses speculations made by the writer and are completely subjective and opinion-based.

Heart of Chornobyl sees players embarking on a risky journey into the Zone, an area in Ukraine full of mutants, anomalies, ...

This is all we know about the Deadlock lore so far. It is to be noted that this article does not talk about every character but rather tries to explain the game's main theme and storyline.