The Provocator, or here in the female edition; the Provocatrix fight with legionary equipment. A legionary helmet, Scutum and basic Gladius.
A classic fight was between the Retiarius and the Secutor. The fisherman and the fish. Secutor equipment often imitated the looks of a fish.
The Retiarius fight with net and trifork. He is light protected but has range and speed as his forces.
The Thrakian often had a griffon on his helmet. He fought with a small shield a a boved sword called a Sica.
The Murmillo had a heavy helmet, classic gladius and a rectangular shield. Very common in the imperial period.
Another Murmillo outfit. Here with two gladii, armguards - Manica - and no shield.