A planet that was the location of the varuvian mining colony the Pakleds were about to target when the Titan sent an away team to embed themselves undercover as miners and plant a tracking device on their shuttle. Boimler was part of that team.
Chairman Siggi was a male octopus-like species who was Chairman of the Collector's Guild. He was killed when a giant Vulcan skeleton fell on top of him while he was trying to escape Kerner Hauze’s weaponized ship.
Humanoid species that lived on Apergos and called their leader the Apergosian High Leader. They had recently become warp-capable when the Cerritos was tasked with second contact. They were in the middle of an industrial revolution at the time, so everything was covered with soot on their planet. They also had a deep relationship with numbers, so choosing their Planetary Federation Communication Number was a more difficult task than expected.
The planet where Osyraa originally pulled the same maneuver she did to get inside the Federation HQ shields - pretending her ship was chasing a friendly ship, when she’d actually already hijacked said friendly ship - and then immediately blew up the presidential palace.
Aurellio was a human male who was a member of Osyraa’s Emerald Chain crew that helped her overtake the Discoveryso he could analyze how the spore drive worked. He used a floating “wheelchair” pod to get around, and loved Andorian opera. He also had the typical Orion piercings behind his ear to bless the arrival of a child, indicating he both had an Orion partner and that they had multiple children together. After the fall of the Emerald Chain, he worked to create a next-generation spore drive with Ruon Tarka.
The U.S.S. Tikhov was a seed-vault starship used by the Federation to store samples of every known plant in the galaxy. Over the previous 500 years, each planet of the Federation took turns keeping watch over it, and by 3189 it was the Barzans’ turn.