Complex sentence: He is then greeted by Dr. Henry Jekyll, the infamous scientist who dedicated his life to erase evil from the world, invented a potion and drank it, which resulted in him becoming the hideous and murderous Edward Hyde.
Split into simpler sentences: He is then greeted by Dr. Henry Jekyll, the infamous scientist who dedicated his life to erase evil from the world. Dr. Jekyll invented a potion and drank it, which resulted in him becoming the hideous and murderous Edward Hyde.