If you're looking for manga similar to Thundercats, you might like these titles.
In the world of Remnant, monsters known as Grimm wreak havoc. They’re kept in check by Huntsmen and Huntresses, highly skilled warriors experienced in monster extermination who utilize their special abilities on the field of battle. Ruby is a ferociously talented young girl who comes to Beacon Academy to hone her skills and serve as a Huntress herself. Alongside her sister Yang Xiao Long, rival Weiss Schnee and newfound friend Blake Belladonna, Ruby leads Team RWBY, the coolest new group at Beacon!Ruby takes her first step on the road to becoming a Huntress by enrolling at Beacon Academy, eager to take on the battery of tests, challenges and difficulties that follow. Ruby knows her talents will take her to her goal, but is she ready to clash with Weiss Schnee, haughty scion of the Schnee Dust Company?
Marinette is your typical high school student. She’s cheery, a bit awkward, and a little clumsy. But what’s not so typical is, she can transform into a superhero! Disguised as the confident Ladybug, Marinette protects the streets of Paris alongside fellow superhero Cat Noir–who, unbeknownst to Marinette, is Marinette’s classmate Adrian. Not only are Marinette and Adrian unaware of each other’s secret identities, they’re also criss-crossed crushes–Marinette has a crush on Adrian, while Chat Noir has a crush on Ladybug! As if being a teenager and a crime fighting superhero wasn’t enough!
Alice Kingsleigh was a young girl when she visited the magical world of Underland for the first time. Now a teenager, she spots a white rabbit at a garden party and tumbles down a hole after him where she is reunited with her old friends. Alice soon learns it is her destiny to end the Red Queen's reign of terror.
WALL-E is a trash compactor robot — the last one of his kind! — and every day for hundreds of years he's faithfully cleaned and organized the millions of tons of trash left behind on Earth by humans. But his routine is flipped upside down when he finds a tiny green plant, the first new sign of life for centuries! When the sleek new robot EVE shows up to take the proof of life back to humanity, WALL-E falls head over wheels in love and eagerly follows her across the galaxy into a whole new adventure!
When Hiro's kindhearted brother, Tadashi, vanishes through a portal to save him, the boy genius is devastated. But his big brother left something to help Hiro cope with his loss--a personal health-care robot named Baymax. And when what Hiro needs more than comfort is an explanation of his brother's disappearance, Baymax--with a few upgrades--may be just what the doctor ordered! With new friends and Baymax 2.0 by his side, Hiro is determined to get to the bottom of everything...and he might end up saving the world on his way!
Blossom (Momoko), Bubbles (Miyako) and Buttercup (Kaoru) are three normal girls, living in a peaceful town. Suddenly, a big ice mountain arrives in Tokyo, and when Ken accidentally breaks it, both good and evil powers comes out of it. When the three girls got hit by this strange power, they turned into transforming super heroes, who promised the mayor to protect Tokyo. However, the black power hits several animals, and they all turn evil, especially the extra smart one, Mojo. It's up to the girls now to save the day! Even if it means that the Powerpuff Boys Z will lift up their shirt or if they'll arrive in mortal danger! Get ready for a big adventure!