who wrote monster by eminem

“The Monster” by Eminem (featuring Rihanna) was written by a team of songwriters, not just Eminem. The officially credited writers are:

• Eminem (Marshall Mathers)

• Rihanna (Robyn Fenty)

• Bebe Rexha

• Jon Bellion

• Aalias

• Maki Athanasiou

• Frequency (who also produced the track)

So if you’re asking “who wrote ‘Monster’ by Eminem,” the accurate answer is that it was co-written by this group, with Frequency as the main producer.