Complex sentence: Turner has a set of cathprhases wich have become very popular in his vlogs, examples of this are: "Intro of Darkness then Redness then Whiteness!", "Look there's a plane!", "Flowers!".
Split into simpler sentences: Turner has a set of catch phrases which have become very popular in his vlogs. Examples of these are: "Intro of Darkness then Redness then Whiteness!", "Look there's a plane!", "Flowers!".