The Doctor and Judge Dredd by Lee Sullivan (Source)

Memorable Moments in Transformers Comic History #8:

Megatron faces off against his future self, Galvatron, for the first time since discovering his identity.

From the Transformers UK 1988 Annual by Simon Furman and Lee Sullivan.

Death’s Head Volume 2 by Lee Sullivan. 

The Many Expressions of… Death’s Head

Or the amazing things you can do with detachable eyebrows.

Oh, Grimlock. You have my vote.