English: Frank Boeijen (born December 4, 1973 in Berghem) is a Dutch keyboardist. He entered the rock/then-metal group The Gathering in 1990, and together they released eight studio albums, two live albums, and three EPs. His latest work is The Gathering's The West Pole, that will be released in 2009.
Nederlands: Frank Boeijen ( Berghem, 4 december 1973) is de toetsenist van de Nederlandse band The Gathering. Hij is tevens bekend onder het pseudoniem Grimm Limbo.
Português: Frank Boeijen ( Berghem, 4 de Dezembro de 1973) é um teclista neerlandês. Cursou arquitectura, mas actualmente é teclista.