Mark is the dad. He’s really supportive, and he sacrificed a lot just so the family could move to California so Riker could pursue his dreams of being an actor.
R5 is a band in California. It's members are Riker Lynch, Ellington Ratliff, Rydel Lynch, Rocky Lynch, and Ross Lynch, (don't forget Ryland!)
There is no R5 fan base. Their fans are called the R5Family.
Read more about R5 and our site at our About page.
you go MARK!!!