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1.HISTORY
Around the time when the show aired, Thirty-Thirty was already standing out among Filmation audiences and still does today. He's more belligerent than other supporting Filmation characters like Orko or Kowl of He-Man and She-Ra respectively. And he's also very vocal - he doesn't beat around the bush when speaking his mind. If he has a complaint to voice, he will let you know about it. Sometimes his complaints are really minor where I can either roll my eyes or laugh it off. But he will also speak up when something is not right, although a bit harshly sometimes, which does serve as a strong counterbalance to his dissatisfied remarks.
When he's not shouting out his opinions, he's either happily fighting with his beloved and trusty weapon, Sara Jane, or putting his full strength to the test while he stomps the bad guys. Which is a good thing for the heroes, considering if you get kicked or stepped on by a horse, you're going to end up in the hospital, as the villains probably have done. So Thirty's a horse of action, and does not like to be tied down with tedious but important work, such as patrolling the perimeters around Fort Kerium.
If he finds that he did something wrong and it negatively impacted others, he will self-reflect on what he did and try to make amends for it. Hot-tempered he may be, but he's not close-minded to reason or emotion. He'll learn - sometimes the hard way - his lesson and admit his mistakes, as shown in "Rampage", "The Ballad of Sara Jane", and "Balance of Power" to name a few. In those episodes, he either let his temper and/or worry got the better of him or he acted carelessly in his responsibilities, but he accepts what happened and does learn valuable lessons even if he doesn't want to outright admit it. I mean, considering he, Bravestarr and other characters give PSAs at the end of each episode, I think it's safe to say he's taken those lessons to heart.
This protective streak towards his friends and his fellow citizens doesn't just come from his role as deputy, but also from his inherent horse instincts. Horses will protect their herds from danger; they'll constantly be on guard and act if something's threatening the group. This, along with the inclination to earning one's place in a herd, lines up with Thirty's protector role. All of this extends to his peers, not just because of his job, but also because of how he views his friends as his herd. We don't know what happened to the rest of his kind, so it would stand to reason Thirty-Thirty would seek out others to settle this instinct of his (even if he had to be dragged out of his home to see that). I don't know if that's what the people who worked on the show intended, but even if they didn't, it does add another layer of thought into his character.
One surprising aspect about this guy is his desire to get paid for his work. There were at least three instances where he called attention to it: "The Disappearance of Thirty-Thirty", "Sunrise, Sunset", and most notably, "A Day in the Life of a New Texas Judge". Not that I blame him; what he does can sometimes be grueling work and he wants compensation for it. I just find it an interesting and unexpected facet to him. I'll discuss a headcanon for why he points this out in the second part of this character analysis.
He makes a lot dry and snarky jokes, sometimes with the intent to joke about how Bravestarr has a lot to learn from Thirty-Thirty, but he's never cruel about it. Joshing is how he lightens things up and shows his fun-loving and boisterous side. He's the kind of person with whom you would want to have a few pints of Sweetwater (if you can stand the stuff, but I'll just take a nice ginger beer, thanks lol.)
More stuff to come in the next post!