Keegan Craig, better known by his online alias Penrose, is a music producer from Indiana. He began producing music in February of 2016, and in that time has amassed multiple followers across various social media accounts. He began releasing music under the name "Penrose" in June of 2016.

Much of his discography is EDM, however he has also released standalone comedic pieces, satirizing topics such as handicap parking and the use of autotune.

While he primarily releases solo works, he has worked on various other projects. He has provided music for different web series such as Fallout: Elwood and The Poor Life of Rich for YouTube content creator Richalvarez. 

He has also provided music for the since-retired RedM Roleplay Server Bear Creek Roleplay, composing the server's main theme, event music, as well as one-offs riffing on comedic bugs that occured in the game.