Kat Tsai

Visual development artist on Spiderman: Beyond the Spiderverse! Other works: Avatar Aang: The Last Airbender, KPop Demon Hunters, Spider-Man: Across the Spider-Verse and Steven Universe Future.

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The Golden Age of Airbenders. I painted this image for the flashback sequences in Avatar Aang, depicting Sonam’s ancient Airbender civilization in its heyday.

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I designed the color & lighting for Tagah's Demon Form in Avatar Aang!

The bottom image is the version that ended up in the movie, and the rest are all explorations of other possible directions. I was only responsible for color and paint; the character design is by the incredible Kihyun Ryu and Ji Hyeon Choi!

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Sonam’s Temple. I painted these images for the flashback scene in Avatar Aang, showing Sonam and Tagah in their heyday.

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The Golden Age of Airbenders. I painted these images for the flashback scene in Avatar Aang, showing Sonam and Tagah in their heyday.

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I painted the color key concept for *THAT* Sonam shot. It came out so beautifully in the finished film! (Additional note written below.)

As someone who is Asian and has dealt with colorism in my own life, I want to make it clear that my version is just a concept, which is why she’s a bit paler/more ghostly here. At the time in development I was trying out a transparent and wispy vibe for her spirit, but the version we ended up with in the final film is more accurate to her beautiful, true dark skin tone!

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Here is my character color for Sonam and Tagah in the flashback sequences in Avatar Aang! I only worked on color & paint; see below for full character design credits.

Avatar Sonam: Christie Tseng, Jake Panian, Kihyun Ryu; Final by Kihyun and Christie. Tagah: Christie Tseng, Jake Panian, Alex Konstad, Shemsu Turner, Honor Miles; Final by Kihyun Ryu

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I made these paintings of Tagah and Sonam for the flashback sequences in the Avatar Aang movie, which I was so lucky to help guide the style direction of.

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My painting of Sonam’s temple for Avatar Aang. Much of the work I did on this film was developing the style for the ancient flashback sequences!

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These are the very first paintings I made for Avatar Aang: The Last Airbender. I designed the art style for the Sonam and Tagah scenes throughout the film! I want to thank PD Jake Panian and AD Aaron Loftis for trusting me so much with these parts of the movie; their incredible leadership and support carried our entire team.

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Hekki grace, sisters! I’m so excited to share that prints of the official illustrations I made for the game 1000xRESIST are now available. With the blessing of the Allmother (and sunset visitor 斜陽過客), I’m proud to present these beautiful prints for you to adorn your walls with.

The Cover Art depicts the Shapen Sisters, with Iris embodying all the colors of the rainbow. The landscape of Inside Sunrise exists in multiple timelines: an airplane carrying the Kwans takes flight from the Hong Kong skyline while Secretary lays in the grass of a distant future. The title itself is a reference to a drink that is as old as the sky and as sweet as a brand new day.

These will be available online on my website, as well as in-person at San Diego Comic Con 2026 next week at Artist Alley Table ii-08!

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Official stills from the crew of the Avatar Aang movie, releasing July 25th on Paramount+!!

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So stoked to share the official trailer for the Avatar Aang movie, now releasing JULY 25th on Paramount+!!

I’m so proud of our crew and honored to have been a part of this.. for everyone who has waited to watch the official release in order to support the artists and animators, I just want to say thank you so much, from the bottom of my heart - it truly means so much!!

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For the first time ever I will be at Anime Expo and SDCC this year! Come find me at AX Artist Alley Table O1 and SDCC Artist Alley Table ii-08!

I will have 10 each of the extra large 24 x 36" signed prints; the quality is truly amazing. Come by and grab one to hang on your wall!! See you there!

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Can’t believe it’s been a whole year of KPop Demon Hunters!! Drew this Polaroid of the girls for Sony Animation’s social media to celebrate the anniversary~

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We’re cooking on Beyond the Spider-Verse!!! So excited to share these new stills… see you in IMAX on June 18, 2027!! 🕷️

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My little brother had an idea for a game while he was still just a kid in high school. 8 years later, he has somehow managed to bring UNBEATABLE to reality through nothing but his own blood, sweat and tears, and with the incredible contributions of his teams at D-Cell Games and Playstack. I can’t even begin to express how proud I am of him and of this story, it seriously makes me feel emotional when I think about how much love and devotion he and D-Cell have put into this game. If the premise, visuals or music are at all interesting to you, please check it out on Steam; I promise you will not regret it!!! Congratulations Andrew!!!!

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Registration for the 2026 session of my COLOR & LIGHT Class is now open!!