Aang followed his principles in many ways as he was a vegetarian who was gentle to animals and all living creatures. Source: Internet
1940s * What Mad Universe (1949) by Fredric Brown depicts an alternate history where humans discovered anti-gravity in 1903 and launched a war to conquer Mars, which is inhabited by creatures with a culture equal to that of Earth, but militarily weaker. Source: Internet
A bizarre host of creatures and villains stand in their way, including the evil Mumm-Ra, Third Earth’s wicked ruler who will let nothing, including the ThunderCats, stop his tyrannical reign over the planet. Source: Internet
A being from the Mindscape Dimension, Sleepwalker was tasked with protecting sentient creatures while they slept from other beings that would try to enter them through their dreams. Source: Internet
A crab-obsessed photographer and his wife have come up with a novel way of protecting the little creatures as they drive across the island they live on. Source: Internet
Aberly and Engel 1996, p. 86. These creatures wear "bio-mechanical" suits that are based on another design Tatopoulos pitched to Emmerich. Source: Internet