One common theme is the bond of friendship. The relationship between Keith and the wolf is often portrayed as a deep, unbreakable friendship. Another theme is self - discovery. Keith usually discovers new things about himself with the help of the wolf.
One popular Voltron Keith wolf fan fiction is 'Keith's Wolf Bond'. It delves into the unique connection between Keith and a mysterious wolf on their adventures in the Voltron universe. Another great one could be 'The Wolf Within Keith', which explores how Keith's character is influenced by his encounter with the wolf.
Keith will likely be defiant. He has a strong sense of justice and will not be easily broken by Zarkon. He might try to fight back immediately if he has the chance.
One of the main characters could be Shiro. Shiro has always been like a big brother to Keith. So when Keith turns into a girl, Shiro would be there to help him adjust. He'd make sure Keith is safe and comfortable in his new form. Also, Hunk could be a main character. Hunk would probably be the one to offer emotional support and cook some comfort food for Keith during this tough time of adjustment.
I'm not sure if there is a specific 'pregnant Keith fanfic' available. It depends on the fandom and the amount of fan - created content out there. You could try searching on popular fanfic websites like Archive of Our Own or FanFiction.net.
I think Keith's closest friends within the blades are most affected. If he's younger, they might become more overprotective. If he's older, they could start relying on him more for advice. For instance, if there's a character named Lance who was previously on equal footing with Keith, now he might see Keith in a different light depending on his age.
Mick and Keith caricatures usually exaggerate their facial features and expressions. They might emphasize certain physical traits or capture their unique personalities in a humorous way.
One great 'Hurt Keith' fanfiction is 'The Trials of Keith' on Archive of Our Own. It delves deep into his emotional turmoil after a tough battle. The author really captures his pain and how he struggles to come to terms with it.