Neill's Factory is a popular meme on Drawception. User Neill is often credited with drawing industrial age factories with smoke pouring from their chimneys. They are usually garishly coloured in a psychadelic manner.
One example of Neill's factory
The use of this meme has sparked many parodies, of varying degrees of success. Users who see similar coloured images can often refer to them as "Neill's ...", even if they have nothing to do with Neill.