Ian Gregory is the brother of Dave Gregory and is a drummer. He provided the drums to The Dukes of Stratosphear's albums, under the moniker of "E.I.E.I Owen," and has appeared in some of XTC's promo videos, such as those after the departure of Terry Chambers.
- 25 O'Clock (1985)
- Psonic Psunspot (1987)
- Chips from the Chocolate Fireball (1987)