Bob Ross has inspired many of his viewers to take up painting. You can copy his style or just study it and develop your own techniques. Some artists even prefer to use his make of paints.
Here is a very old forum discussion about BR paints and their pros and cons.
Here is a comment about BR´s method suggesting that you should not become dependent on BR if you want to be a fresh individual artist.
Here is a list of different brands of oil paints briefly listing their properties