History JerkassBall / WesternAnimation

** Aang is normally a CheerfulChild and AllLovingHero, but there are two notable instances in the series that take an unfortunate toll on him -- in "The Desert", after Appa gets kidnapped, he goes into a severe state of emotional stress and spends a good chunk of the episode being rather grumpy and confrontational, only calming down after Katara brings him out of the Avatar state with a CooldownHug. Later on, in the first quarter of "Sozin's Comet", after being told by basically everyone that killing Ozai is the only option for him, he stubbornly refuses to do such a thing (in his defense, though, he ''is'' a monk, so it's not surprising that he would hold that view) and forces his friends to come up with another solution before running off in frustration.
** Similarly, Katara is prone to doing this from time to time as well despite being the calm and sensible TeamMom of the group. Here are a few examples for proof:

** The Plantar Trio is hit with this again in "The Dinner". Even though they were RightForTheWrongReasons to be skeptical about Sasha and Grime's HeelFaceTurn, and their experience with the two in Reunion making things justifiably tension between both groups. However, the Plantars end up going too far when they remind Sasha of her near suicide attempt after her falling out with Anne. Sprig especially goes out of his way to antagonize Sasha whenever given the opportunity to the point of callously pointing out how she nearly fell to her death, despite Anne telling him to be on his best behavior.

** The Plantar Trio is hit with this again in "The Dinner". Even though they were RightForTheWrongReasons to be skeptical about Sasha and Grime's HeelFaceTurn, and their experience with the two in Reunion making thing justifiably tension between both groups. However, the Plantars end up going too far when they remind Sasha of her near suicide attempt after her falling out with Anne. Sprig especially goes out of his way to antagonize Sasha whenever given the opportunity to the point of callously pointing out how she nearly fell to her death, despite Anne telling him to be on his best behavior.
** Happens once more in "If You Give a Frog a Cookie", the Plantars' have become really homesick after spending so much time on Earth and became desperate for a way back to Amphibia. However, their homesickness does not justify their constant guilt-tripping on Anne, who was cautious about trusting an eccentric scientist named Dr. Frakes, and they paid for it by being nearly dissected by the latter, after she discovered their true forms. Because of that, they regret and apologize to Anne after she chews them out for their impatience.

** Later in "If You Give a Frog a Cookie", the Plantars' have become really homesick after spending so much time on Earth and became desperate for a way back to Amphibia. However, their homesickness does not justify their constant guilt-tripping on Anne, who was cautious about trusting an eccentric scientist named Dr. Frakes, and they paid for it by being nearly dissected by the latter, after she discovered their true forms. Because of that, they regret and apologize to Anne after she chews them out for their impatience.

** In "Croak and Punishment". Sprig's blue moon shell is stolen, and he and Anne play GoodCopBadCop to find the culprit with Anne being the good cop and Sprig being the bad cop. [[GoneHorriblyRight But Anne's way of motivating Sprig to play bad cop works too well]] as he violently harasses every suspect and destroys their possessions. This comes back to bite him hard as he and Anne are chased by Gunther. Giving Sprig a JerkassRealization for his behavior.