So a bit of a random one here, in working on the new version of the save with my sims I've actually completed and updated many sims that I have not uploaded to this collection yet, so essentially you can get a lot of sims there that you can't get individually from this collection. One thing I've done is finally complete alot of male sims that had been WIPs in my library for a long time, though you may have seen several of them used in my videos and such.
Individual sim profiles and links to custom traits used can be found in the post on LL https://www.loverslab.com/topic/127124-mrrakkons-sims-and-stuff/?do=findComment&comment=3748178
Some character notes, mostly implemented or hinted at in the save.
Derek Keyes is supposed to be taking care of his younger brother Mike, and is dating Samantha McPherson. Joel Vidal is actually named after and based on a sim from a Sims 3 world, where he is dating Ashley Alto. Although Joel has not been implemented in the save yet, both he and Derek Keyes are Foxbury students and intended to be on the school's sports team. Carlo Villegas is a sim I made and included in stories with Candace Flynn and Linnie Stojanovic, he's romantically involved with Candace, he's set up as a mixologist in the culinary career as a sort of just "ordinary" career, while in the save he might end up working in Mazuiko Jackson's restaurant.
The remaining three are all supposed to be friends of Jason McFadden and Tony Azim, and you might have seen them in the background of party videos and pictures I've done. Ryan is probably the one I most frequently turn to of these, early on when I started making him someone commented on him as looking the kind of 'friend' who'd try (and probably succeed) at banging your girlfriend. Rahul Patel like Joel Vidal is also based and named after a sim from the Sims 3, here he is essentially the same character, a slacker party dude. Arata Kato is sort of the odd man out, being older than his friends, and (if you have the language barriers mod) he's set up to have the Japanse stand-in language as his first language, he's intended to be the son of a wealthy Japanese businessman who may or may not be heavily involved in organized crime who's overseas as a tourist intending to have a good time. As Tony's friends his use is essentially that he can throw money at his various projects and parties, so long as he can join in himself.