Head-canon that Ryder discovered if she/he wears socks, they can get a running start from their quarters and slide down the hallway in the Tempest. The many slips and falls attracts the crews attention, who are all fascinated and exasperated at this simple yet amusing activity. This leads to a contest to see who can make it to the far end d without slipping or falling, until Lexi makes everyone stop after Drack manages to put a crack in the Tempest wall.
Lexi has SAM listening in on every single member of the crew at all times so that she can listen in if any of them say certain words together in a sentence
Kallo already had to frantically call Lexi to stop Suvi from putting alien stuff in her mouth (again) and Drack was on Kadara and was like “I bet I could drink [the highly poisonous water]” and Lexi immediately came over the comms and goes “NOOO.’” 90% of Lexi’s job is getting everyone on the Tempest to stop putting foreign matter in their mouths because they’re in kindergarten
Mac and Daisy shenanigans. Do the dogs ever misbehave? How are they went they meet the others or with other dogs. Do the dogs tag along to brunch and farmers markets?
Mac is an angel! A giant big bear of angel!
Daisy on the other hand … She likes to eat napkins and tear them up all over the house! and then she tries to blame Mac who just doggie sighs and rolls his eyes because of course they know that Daisy did it! And once Lexi comes along, she and Daisy get in all kinds of trouble! Of course Mac watches them to make sure nothing bad happens (except for the one time that Lexi paints Daisy with a rainbow of colors - Supercorp go into Lexi’s bedroom to find both of them covered in paint- they take plenty of pictures of course!)
As far as the super gang, Daisy loves J’onn! any time they’re at the DEO she just runs right up to him and he picks her up! (needless to say J’onn, Daisy, and Lexi make quite the trio - tiny pup, tiny little girl, and giant Martian manhunter)
Mac scares the crap out of Winn! Like climb up on his desk to get away kind of scared! and Alex thinks it’s hilarious!
Mac and Daisy love the dog park and all their doggie friends!
They pretty much go everywhere Supercorp goes! They hang out at L-Corp with Lena all day, and sometimes they tag along to the DEO! They LOVE Sundays because it’s farmer’s market day and there’s this booth that sells artisan dog treats so of course they always get some!