Marc Veira (born 17 March 1980), better known by his stage name Flowdan, is an English grime MC and record producer. A founding member of Roll Deep, he was responsible for naming the group and remained a member until its hiatus. In 2015, he founded his record label, SpentShell, which has since signed YGG and GHSTLY XXVII to its roster. In 2023, he featured on two songs which reached the top 20 of the UK Singles Chart, and in 2024 he won his first Grammy Award for the Skrillex and Fred Again collaboration "Rumble", becoming the first grime MC to win a Grammy in any category.
