Delta was a deltrodmious and she was the mate of Donny. they both appeared in many episodes of season 2 and eventually teamed up with Silas but Silas left them at the end of season 2 where it was said in season 3 Delta and Donney died along with many other season 2 characters.
episode 1: havent we been here before
episode 2: a bad meeting
episode 3 : I hate long walks
episode 4: new home old enemies
episode 7: tough love
episode 8: an odd alliance
episode 9: danger
episode 12: the bounty count rises
episode13: the end
Delta was only the deltrodromius that was portrayed with an actual deltadromious figure.
Delta, along with her partner, mysteriously died at the end of season 2. The cause of death is as of yet unknown.