Berserk Button/Radio

When a nice, normal character suddenly goes into a rage, you've hit his Berserk Button.


 * For the love of all that is holy, please do not mention someone stealing his act to Howard Stern. We only get to hear the man for an average of five hours a day, and no one needs to hear four hours and 59 minutes of microphones being snapped in half.
 * Ed Reardon, due to his Grammar Nazi tendencies, tends to fly into a rage when he sees multiple consecutive exclamation marks, improperly-constructed plurals, and so forth.
 * Stu from Stus Show has many, including Live-Action Adaptations of classic cartoons, Celebrity Voice Actors, and low-quality DVD releases.