reckless choices: The Simpsons Philip J. Fry (usually) has a severe lack of intelligence: Futurama Londo Mollari yearns to return to the "glory days" of the Centauri Republic: Babylon 5 Mr. Spock relies heavily on logic and suppresses his more human emotions: Star Trek Drake Mallard has a big ego: Darkwing Duck Peter Griffin is extremely impulsive and causes many problems for his family and friends: Family Guy Zuko makes misguided decisions in an effort to gain his cruel father's acceptance: Avatar: The Last Airbender Aang is too carefree and initially attempts to run from his responsibilities rather than face them: Avatar: The Last Airbender Dean Winchester relies on family and is devastated when he loses them or they betray his trust: Supernatural The Tenth Doctor is constantly trying to help and save the lives of others, and sometimes does things out of anger that have dire consequences later: Doctor Who Miko Kubota is quite brash, arrogant and impulsive, even rushing into situations blindly without thinking, resulting in consequences such as her gauntlet becoming broken after rushing in headfirst to capture Ally: Glitch Techs Twilight Sparkle is a "neurotic perfectionist" who has "a touch OCD", with fear of negative evaluation and a phobia of ladybugs (an instance of clumsy writing given that she has previously seen ladybugs without issue), and prone to suffering from nervous breakdowns when confronted with a problem that goes against her understanding: My Little Pony: Friendship Is Magic Once Upon a Time Rumplestiltskin's greatest character flaw was his greed, losing even those who love him over his mad desire for power. He shares this flaw with his former student and lover Cora: Once Upon a Time Zelena's envy of her younger half-sister Regina Mills eventually transformed her into the infamous Wicked Witch of the West as she planned to reverse time and supplant Regina. Even after this plan was thwarted, her envy remained a great character flaw throughout her time on the show: Once Upon a Time After the death of her fiancé Daniel Colter, Regina suffered a mental breakdown and became consumed with anger, which Rumplestiltskin was able to use to shape her into the Evil Queen who would cast his Dark Curse. Anger, as a fatal flaw, is one she shares with Killian Jones whose own anger transformed him into vengeful Captain Hook; however, Hook did not share Regina's mental instability: Once Upon a