Some OCs, Tallests (before Miyuki), and a (kinda old) Rarl Kove design...
RAMBLE LORE BELOW (mind tags!)
Commander Spoon and Engineer 4 ("Garpu" which means Fork in Indonesian; also They/Them) are essentially Spork's parents since he is a result of their DNAs combined + Spoon's PAK "reprogrammed" for Spork. Commander Spoon deviated from the Irken Empire after killing Tallest Cyanide when it was discovered he sent a hit on Garpu, leading to Garpu's horns being sawed off. Enraged, Spoon wiped out half of Tallest Cyanide's soldiers and commanders and then him...
Both Garpu and Spoon ran away before dying fighting a strange weapon that Garpu discovered- Spoon's body was destroyed but her PAK was intact, immediately latching onto Garpu who was dying. The PAK actually kept them alive even more than 10 minutes, most likely Spoon's love for Garpu was so ingrained into her that it followed to heer PAK's systems to try its best to keep Garpu alive.
When Garpu's body was retrieved, their father (lead Scientist of the private Science team + Rarl Kove) wanted to preserve both Garpu and Spoon so he (with Rarl Kove's support) started an experiment- creating a hybrid. Spork looks a lot like Garpu, and he also inherited a lot of Spoon's physical strengths (even though Spoon was still much stronger than him).
TALLEST KAT was more of a businesswoman and maintained positive intergalactic relations through her natural charisma and sharp tongue. When Rarl Kove was working with her, the two had good back-and-forth banter since they worked well with a fixed schedule (and Kat says;
"Rarl, you are possibly the only competent Irken I've ever worked with. You don't see competence around here nowadays unless it starts with an "in-"... You're a lifesaver to me and my ever-growing headache, Rarl...")
TALLEST PEACH was a hyper individual and was titled "QUEEN OF SNACKS" because not only does she love to host parties (on Irk and/or Intergalactic events) but she was a master in developing new snack flavors and also does grand gestures to people "she adores" (a bit of a people pleaser). Rarl Kove admits she's a bit immature here and there but she has her moments since she is a genius in snack making... plus, her events seem to strengthen the existing intergalactic relations that KAT had established. Tallest Peach did take in a servant drone named "Cyanide" and she kinda saw him as a son- showered him with gifts and everything, but it was mostly Rarl Kove who became his teacher since Tallest Peach was always away from Irk.
"Kovey, baby! The party's going crazy over here- even the Planet Jackers stopped mid-planet jacking to join in! Say, how's my little Cyan doing? Did he like the new batch of gifts I sent?! Sorry if I'm yelling!! The music is getting louder, haha!!"
Tallest Peach was assassinated via poison in both her physical body and her PAK. She died publicly mid-party when she felt herself losing grip with reality. Rarl Kove would learn too late that Cyanide was responsible for it right after Cyanide was chosen to be the next Tallest.
TALLEST CYANIDE truly was despicable after what he did to Tallest Peach. He planned for galactic conquest and undid many intergalactic relations that his predecessors had established- he had a loyal army too. Rarl Kove hated everything about him and it got worse when Tallest Cyanide figured out that Rarl Kove and the Control Brains were keeping secrets from him- a Tallest.
"...Rarl Kove. You know I like to read old records, yes? This empire has survived for so long that I couldn't help but indulge a little in our past. Did you know we had a writing system with ink and the teeth of some extinct creature as our pen? It piqued my curiosity that I spent hours and hours trying to find any physical record that wasn't some sort of digitized transcript... well, thanks to my special privileges as Tallest, I got my hands on a handful of them.
I noticed each Irken has such a unique handwriting- our lettering system was more dynamic, and you notice the little quirks in how they write. Truly marvelous what history teaches you... I remember when you, with that excited look on your face, handed me a transcript you had on your person regarding your experiences as an advisor. handwritten.
...you looked so proud when I understood the material. Like you'd burst into tears. But... I noticed. I noticed your writing. How you end sentences, how you format your paragraphs, as if you were having a direct conversation with the subject. The two dots at every final page you put at the bottom corner of a page once you're ready to move on.
It was exactly like the old records. Before this, before Tallest Peach, before the entire construction of this Irken Empire. You were there. You wrote those records because you were present during those times, and yet, why do Irkens not question seeing your mug for so long?
You and the Brains are keeping something from me. I am the rightful ruler of this Empire, and I do not tolerate secrets kept by inferiors. So answer me this, Ancient One, how old are you truly?"
Rarl Kove's physical body died 8 times under Tallest Cyanide's reign. It wasn't until Commander Spoon killed his physical body that Rarl Kove personally destroyed Tallest Cyanide's PAK, ending him. The Brains did not punish Rarl Kove- it was never clear if they knew, but one thing's for sure, the Brains were "partially" Inspired by Tallest Cyanide's plan of galactic conquest.
A majority of these ties with Rarl Kove and how he is kinda forced to be an eternal servant/immortal as punishment by the Control Brains for his first failure. "We curse you, Emperor. May you never grow old. May you never be happy."