I'm sure this question has been asked before but who do you think is a very underrated guitar player?

I've been listening to some of my dad's favorite singers/bands and I've realized, Frank Hannon, from the band Tesla, is one of the best guitarists I've heard and actually seen play. I'm sure he wouldn't appear on most people's top 100 but that guy plays with heart and is also amazing on acoustic, for a "rock" guy! I think Tesla, overall, is a very underrated band. I also have to say, Gary Richrath, from REO Speedwagon's early years. Most people don't appreciate the amazing guitar work on their songs. What are some of your picks?

I'm sure this question has been asked before but who do you think is a very underrated guitar player?
Post Opinion