Ruben Azama Aquino is an American Disney animator who formerly worked at Walt Disney Animation Studios, his work has included the several Disney characters, including Maurice in Beauty and the Beast, Simba as an Adult in The Lion King, Chief Powhatan in Pocahontas, Li Shang and Fa Li in Mulan, Pleakly and David Kawena in Lilo & Stitch, Denahi in Brother Bear, Mildred and Mr. Willerstein in Meet the Robinsons and Eudora and James in The Princess and the Frog. His style is easily recognized by his powerful figures and his extremely geometric facial movements.

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From 1975 to 1979, Ruben worked as a graphic artist in Honolulu, Hawaii. He worked for Farmhouse Films as a trainee, which was his first job in animation.

After moving to Los Angeles in 1980, he worked for Hanna-Barbera in visual development, character design, and layout. He was laid off after a year.

Months later, he was able to enter Walt Disney Feature Animation's clean-up training program and after completing it, he worked on a 30-second animation test of Fflewddur Fflam in The Black Cauldron and submitted it to the review board. He was promoted to animating assistant and worked for Disney from 1982 until 2013.^[1][2]