Source: https://civitai.com/models/197327/western-cartoon-star-trek-lower-decks-style Credit: PromptSharingSamaritan

This Checkpoint was trained on screenshots of Star Trek: Lower Decks animation. Sometimes the eyeballs are messed up, very common for this kind of flat art style.

Thodin: Guidance 3.5 - 7, it really varies. Wacky eyes are the issue as the author notes. Specific characters by description rather than name, "man with purple hair in a red Starfleet uniform" will get you Brad Boimler, for example.