There are two main types of black holes: A: Small unstable Magnetic monopole Interference BHs, and B: Super Nova BHs from dying stars.( Q-FFF Theory.) plasma tails. B: Larger S-Nova BHs of equal size create Herbig Haro dual hotspots systems and stars, as a magic creator of the universe.
Big Bang- or Big Crunch Black Holes are super merger BHs.