Well, 'Heartstopper' is a popular choice. It's got charming characters and handles LGBT themes with sensitivity. Also, 'Giant Days' is another one that's well-loved for its relatable plots and diverse representation.
Well, to draw a horse for such a comic, first, get the horse's structure right - like the head, body, legs. Then, incorporate colors and expressions that convey the intended message of the LGBT theme. Maybe add some symbolic elements related to it.
To draw an LGBT horse comic, you need to understand both horse proportions and the emotions you want to convey for the LGBT aspect. Sketch out rough ideas first and refine them. Also, research existing LGBT comics for inspiration.
It's hard to say for sure. Sometimes the cast's schedule and availability determine if they'll attend Comic Con. Keep an eye on the entertainment news for updates.
I don't have that information. But you could follow the social media accounts of The Flash or Comic Con for any possible announcements regarding the cast's presence.