Striker was one of the original five founding members of the Beast Machines Dinobots group. Striker is a homage to the original Dinobot Snarl in his stegosaurus beast form.
It is assumed that the "secondary energy receptors" mentioned in Striker's describtion means that Striker's stegosaurus plates absorb energy in robot mode much like Optimus Primal's lower arms do in Beast Machines.
Although the Dinobots' intro states that the Dinobots received their beast modes through the slicing of Dinobot's DNA, it is likely that the Oracle also used the fossil chamber (seen in the Beast Machine series) to utilize Stegosaurus DNA.
In "Departure" the Wreckers, Mutants and Dinobots arrive on Cybertron and are sent on missions by the Oracle.
In "Betrayal" the Dinobots are attacked by the Dweller.
(Note: Striker was not visible among the Dinobot survivors at Spaceport CSSB-16. However, according to 3H writers, a future – ultimately unpublished – issue of Wreckers would show that Striker was in fact pulled from the battle with the Dweller by agents of Unicron.)
Striker was later seen as a one of the Cybertronians controlled by Unicron.
At Botcon 2003, a voice actor play was written by Simon Furman, set in the Transformers: Universe comic between issues 1 and 2. War Within Grimlock, Armada Megatron and Universe Optimus Primal are each transported to the Unicron world, where they eventually team up and fight Striker and Reptilion. Note, there is a small continuity error in that this story ends with Grimlock, Megatron and Primal standing over Reptilion, but issue #2 of the comic starts with them standing over Striker.
He was later freed from Unicron's control by Optimus Primal and joined his Autobots in escaping to Cybertron.
Once on Cybertron, Striker assisted Ratchet in trying to remove the Unicron virus from Sideswipe.