Scorpio contains canon Hero Factory information.
Scorpio, also known as "Scorpion" are creatures once corrupted by Aldous Witch on the Savage Planet (also known as Quatros).
Savage Planet Corruption
The Scorpio creatures live on the jungle planet Quatros - but their peace was disturbed when Aldous Witch arrived. Aldous Witch - now the Witch Doctor - corrupted the Scorpio creatures, as well as the Waspix, Fangz and Raw-Jaw creatures with dark, corrupted Quaza. The Scorpio creatures were the largest of the Witch Doctor's servants.
When Rocka was trapped on Quatros, Preston Stormer, alongside William Furno, Dunkan Bulk, Jimi Stringer and Julius Nex came to his rescue - and encountered the Witch Doctor's servants. The Heroes battled several Scorpio, destroying their Quaza spikes on their backs - which relieved them of the Witch Doctor's insane control. However, one fiesty Scorpio put up a fight against Furno, Stringer and Nex. This Scorpio nearly killed Nex - but luckily, he wasn't. The Heroes unexpectedly lead him to the Witch Doctor's hideout, where the Witch Doctor re-energized him ... and Stringer and Furno crushed his spikes. The Scorpio proceeded to battle the Witch Doctor - but was blasted hard into a wall. At this point, all the Scorpio creatures were normal again - and even if some remained, they were all changed back to normal by the Heroes when they were successful on returning Quatros's Quaza.
Several Scorpio creatures will later make an appearence in Starscream7's upcoming story, The Vengeance Attack.