ThunderCats, Hoooo! And Other Battle Cries That Defined Our Childhood
If you grew up in the ’80s, chances are you didn’t need caffeine to get your blood pumping on a Saturday morning—you just needed the thunderous battle cry of “ThunderCats, Hoooo!” blasting from your TV speakers. For Gen X kids, ThunderCats wasn’t just a cartoon. It was a lifestyle. An animated fever dream full of muscled-up cat-people, mystic swords, ancient evils, and lessons about teamwork—because, of course, even space cats had to learn to share.
Let’s dive into how ThunderCats clawed its way into our hearts, toy boxes, and pop culture consciousness.
The Origin of ThunderCats: Born in Japan, Raised on American TV

The show premiered on January 23, 1985, produced by Rankin/Bass (yes, the same company that gave us those creepy claymation holiday specials) and animated by Pacific Animation Corporation, a Japanese studio that would later become part of Studio Ghibli. That explains why the animation was a cut above most of the stuff we were watching back then (ahem, He-Man).
ThunderCats was the brainchild of writer Ted “Tobin” Wolf, who wanted to mix fantasy, science fiction, and the smoldering charisma of humanoid cats in spandex. The plot was classic ’80s weirdness: a noble race of cat-like humanoids flee their dying planet, Thundera, and crash-land on Third Earth—where they immediately become mortal enemies with a decaying, bandage-wrapped sorcerer named Mumm-Ra (basically the Egyptian grandpa from your nightmares).
Meet the ThunderCats: A Gen X Roll Call of Furry Badasses
- Lion-O – Lord of the ThunderCats, wielding the Sword of Omens. Bonus fun fact: He was technically a child in a grown-up’s body thanks to a cryo-sleep mishap. Yep, Big stole that plot from ThunderCats.

- Cheetara – The token female and fastest cat on Third Earth. Basically a cross between The Flash and your middle school crush.

- Panthro – Mechanic, muscle, nunchuck-wielding badass, and possibly voiced by your uncle. Seriously, his voice (Larry Kenney) was pure baritone glory.

- Tygra – The architect and invisibility expert. Also the show’s resident killjoy.

- WilyKit & WilyKat – The annoying twins who always caused trouble and were somehow always forgiven for it.

- Snarf – The Jar Jar Binks of the ’80s. Fight us.

The Toy Line: You Wanted the Sword of Omens, You Got a Plastic Brick Instead

ThunderCats hit toy shelves thanks to LJN, a company that had already found success with Dungeons & Dragons figures. Released in 1985, the figures were about 6 inches tall and featured “Battle-Matic Action”—basically, a lever on their backs that made their arms move, because nothing says “fun” like punching repeatedly in the same direction.
The Sword of Omens was also sold as a toy, but spoiler: it didn’t give you “Sight Beyond Sight.” It gave you a headache when you whacked your sibling with it.
The toy line was massively successful in 1985 and 1986, but by the late ‘80s, kids had moved on to Ninja Turtles and Game Boys. Still, if you’ve got a mint-in-box Lion-O collecting dust in your attic, congratulations—you’re sitting on a few hundred bucks of retro plastic gold.
Marketing Mayhem: Lunchboxes, Bed Sheets, and Breakfast Cereal
Back in the day, ThunderCats was a marketing machine. You could wrap your entire childhood in branded merchandise:
- Lunchboxes? Check.
- Bedsheets? Yep.
- Pajamas? ThunderCats dreams were real.
- Books, board games, puzzles, Halloween costumes? Oh yeah.

There was even talk of a cereal, but alas, the world wasn’t ready for “Thunder-O’s.”
The show ran for 130 episodes across four seasons, all syndicated—which meant we watched them at odd hours between reruns of The Facts of Life and MASH*.
Pop Culture Impact: ThunderCats Didn’t Just Scratch the Surface
While ThunderCats was never as omnipresent as Transformers or G.I. Joe, it carved out its own cultural legacy:
- Referenced in everything from Family Guy to Robot Chicken.
- Influenced a generation of animators who later created Teen Titans, Avatar: The Last Airbender, and more.
- Cosplay mainstay: You haven’t lived until you’ve seen a 45-year-old guy dressed as Panthro at Comic-Con.
And of course, the word “ThunderCats, Hoooo!” became a catchphrase for an entire generation—used in battle, in jest, and probably after a few too many Zimas.
The Reboots: Sometimes Lightning Doesn’t Strike Twice
There have been three attempts to reboot ThunderCats:
- ThunderCats (2011) – A darker, anime-inspired take that actually had promise but was killed after one season because, you know, Cartoon Network things.
- ThunderCats Roar (2020) – A goofy, comedic version that most Gen Xers immediately canceled in their minds. It wasn’t bad, per se—it just wasn’t what we wanted.
- ThunderCats Movie (TBD) – Rumors keep swirling about a big-budget live-action or CGI film, and Warner Bros. seems committed… eventually. If it happens, we demand Jason Momoa as Panthro.
Why ThunderCats Still Slaps
Even with the cheese, the bad lip syncs, and the overly dramatic monologues, ThunderCats holds up for one reason: it wasn’t afraid to be weird. It took big swings. It gave us heroes who looked like glam rockers from outer space and villains that looked like rejected horror props from The Mummy.
And you know what? We loved every second of it.
So the next time you feel overwhelmed by 21st-century life, just grab your imaginary Sword of Omens, raise it high, and yell into the void: “ThunderCats, HOOOO!”
Because some childhood battle cries were built to last.