Mega 3-pack includes
Dark Scream
, Gas Skunk, Slapper

Allegiance: Predacon
First Toy Appearance: late summer 2001
First Show Appearance: TF:RID episode 1

Megatron and his evil Predacons arrive on Earth with one goal: Destruction!  This causes a secret force of goodness to emerge: the heroic Autobots, led by Optimus Prime.  They have hidden their existence by taking forms of vehicles, but now they reveal their true nature to fight Megatron and protect Earth. They are... Transformers - Robots in Disguise!

Other Appearances: The only appearances these three Predacon personalities have made is in the Transformers -Robots in Disguise toy and story line.

Click HERE to see another pic of Gasskunk in skunk mode, toy

Click HERE to see slapper in bot mode in carrtoon

Click HERE to see another pic of Dark Scream, in toy mode

What would these characters have looked like in Beast Wars / BeastMachines CGI? 
This art from the japanese cards gives us a glimpse!  Ah, how sweet that would'a been! :)