Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hello, I'm Sandra (Sadelionne)! I am a Mexican animator and illustrator with professional experience in character layout, animation, visual development, and creative production. I have worked on television projects for Disney, Marvel, HBO Max, and Cartoon Network, where I developed strong attention to detail, creative problem-solving, model consistency, and the ability to deliver high-quality work under tight deadlines.…Hello, I'm Sandra (Sadelionne)! I am a Mexican animator and illustrator with professional experience in character layout, animation, visual development, and creative production. I have worked on television projects for Disney, Marvel, HBO Max, and Cartoon Network, where I developed strong attention to detail, creative problem-solving, model consistency, and the ability to deliver high-quality work under tight deadlines.

Sandra D. León





Hello, I'm Sandra (Sadelionne)! I am a Mexican animator and illustrator with professional experience in character layout, animation, visual development, and creative production. I have worked on television projects for Disney, Marvel, HBO Max, and Cartoon Network, where I developed strong attention to detail, creative problem-solving, model consistency, and the ability to deliver high-quality work under tight deadlines.…Hello, I'm Sandra (Sadelionne)! I am a Mexican animator and illustrator with professional experience in character layout, animation, visual development, and creative production. I have worked on television projects for Disney, Marvel, HBO Max, and Cartoon Network, where I developed strong attention to detail, creative problem-solving, model consistency, and the ability to deliver high-quality work under tight deadlines.

Available to hire

Hello, I’m Sandra (Sadelionne)! I am a Mexican animator and illustrator with professional experience in character layout, animation, visual development, and creative production. I have worked on television projects for Disney, Marvel, HBO Max, and Cartoon Network, where I developed strong attention to detail, creative problem-solving, model consistency, and the ability to deliver high-quality work under tight deadlines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Japanese

Beginner

Work Experience

November 7, 2025 - Present

Reporte de citología cérvico-vaginal con calidad de la toma adecuada y sin zona de transformación; categorización general negativa para lesión intraepitelial y malignidad. Se registraron hallazgos: ninguno.

Customer Onboarding Specialist at Technical Safety Services

March 1, 2025 - Present

Created and configured customer accounts, managed account documentation, uploaded information, verified contracts and pricing, and addressed customer issues. Maintained ongoing communication with customers and internal departments by email and phone.

Clean up and color artist at Demente estudio

January 1, 2024 - May 24, 2024

Clean up and color artist for series House on the Outlands

Clean up artist at Mighty Animation

May 1, 2023 - January 5, 2024

Clean up artist for Disney and Marvel series Hit Monkey

Clean up and color artist at Mighty Animation

May 1, 2023 - January 1, 2024

Clean up and color artist for Disney and marvel series Hit Monkey

Clean up and color artist at Demente estudio

January 2, 2023 - June 30, 2023

Clean up and color artist for series House on the Outlands

Character Layout Supervisor at Estudio Viva Calavera

September 1, 2022 - April 1, 2023

Worked initially as an artist and animator before being promoted to supervisor for HBO Max and Cartoon Network's series Rey Mysterio vs La Oscuridad. Coordinated communication with artists, supervisors, and clients; organized files and models; and delivered fast, high-quality corrections while maintaining attention to detail.

Character Layout Artist at Mighty Animation

March 1, 2021 - August 1, 2022

Created character layouts for Disney and Marvel television series, including Moon Girl and Devil Dinosaur. Focused on attention to detail, creative problem solving, following and memorizing models, daily proposals, team and supervisor communication, meeting tight deadlines, and incorporating direct client feedback.

Freelance Artist

January 1, 2020 - Present

Worked as an illustrator and animator while managing social media, designing merchandise, supporting online and event-based product sales, providing customer service, analyzing data, and collaborating with multiple brands.

Freelance Artist at Self-employed

January 1, 2020 - Present

Worked as an illustrator and animator while managing social media, merchandise design, and sales for products sold online and at events. Provided customer service, performed data analysis, and collaborated with various brands on creative projects.

Customer Service and Sales Agent at Teleperformance

November 27, 2016 - November 27, 2017

Provided troubleshooting and problem-solving support for international clients and Comcast USA customers. Handled customer service and phone-based sales, captured and memorized information about products and services, and supported clients with account-related needs.