The Experiment 502 reference article from the English Wikipedia on 24-Apr-2004
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Experiment 502

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Experiment Number 502 (pronounced five-zero-two) is one of the alien experiments from the "Lilo & Stitch" television series. He's also known as "Yang".

Physical Characteristics

502 is a red creature. He looks like a lizard, however his body curves in the middle. His special power is that he can sprout lava.

He is revealed in the same episode as Experiment 501.

In the end, 501 and 502 are a good example of Yin and Yang, two things coming toghther to create something new.

See also: Alien experiment (Lilo & Stitch)