Dr. R

Dr. R is a male YouTube rapper. Dr. R mainly raps original songs in Japanese with occasional English and French lyrics. Dr. R was previously known under the alias Joe (Vodkaloid Joe).

He is well known for his collaborations with Kuraiinu, and has appeared in several CB entries as the main rapper during instrumental breaks.

His most viewed solo cover is Koshitantan with over 22,000 views as of August 2018.