Yet, the most complicated of all complications, the creation of this entire world, has not earned a better name than a big bang.
Great question, Open Mind, and welcome to EvC!
You're right, much of esoteric fundemental physics is dominated by nice easy catchy names... it's to give our brains a rest
Some more good examples would be: String Theory, Colour, Black Hole, Membrane, and of course the best of all M-Theory!!!
To be fair, Big Bang was the rather derisory name that Hoyle gave the theory in disdain... unfortunately it stuck as it gives all sorts of horribly incorrect ideas of explosions and fireballs, etc