Episode - 4F19\\
First Aired - 5/4/1997

In what is recognized as one of the most [[BrokenBase base-breaking]] episodes of the show, a normal man named Frank Grimes who has had to work hard every day of his life with little reward gets a job at the nuclear plant and takes an instant dislike to Homer and his AchievementsInIgnorance. Meanwhile, Bart wins an abandoned factory at an auction and uses it as his own personal playground.
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!!This episode contains examples of (YMMV tropes can be found [[YMMV/TheSimpsonsS8E23HomersEnemy here]]):
* BerserkButton: Grimes doesn't like being called "Grimey" or "Stretch." It is relatively minor, however, compared to the very prospect of someone like Homer having a much more successful lifestyle than himself.
* BlackComedyBurst: One which apparently tainted the series' legacy of being biting, but lighthearted, not outright sick and twisted, like ''WesternAnimation/FamilyGuy'' and ''WesternAnimation/SouthPark''.
* BrokenAesop: WordOfGod said they wanted to show that a real person could not survive in the show's universe, except they did it by making Homer look worse [[CharacterExaggeration than he really was]] in order to make [[OnlySaneMan Frank Grimes]] look better. What's worse is that Frank's mental breakdown [[spoiler:and death]], which were supposedly caused by Homer, was really ''his own fault''. Homer had offered to make amends with Frank, but he didn't want anything to do with it, and he immediately put everything into destroying Homer. It doesn't help that they made Frank's life [[DeusAngstMachina excessively miserable]] before he even met Homer.
* ButtMonkey: Frank Grimes, and it ''isn't'' [[PlayedForLaughs played for laughs]], [[spoiler: or at least it's not supposed to.]]
* DownerEnding: [[PlayedForLaughs Played for incredibly dark laughs]].
* EmbarrassingNickname: Homer nicknames Frank Grimes "Grimey'", which the latter hates.
* {{Expy}}: Frank Grimes is based on Michael Douglas' character, Bill Foster, from ''Film/FallingDown''.
* TheEveryman: Frank Grimes is supposed to represent the viewer in this episode -- a man who is no way remarkable, who never got any breaks, and had to work hard every day of his life, with little to no rewards. Normally, it's Homer that we're supposed to feel the viewer embodies, a middle class worker with a nuclear family and somewhat below average intelligence. However, this episode lampshades how un-average Homer's life actually is compared to how we are supposed to perceive him and how successful he is despite his low intelligence, laziness and thoughtless, receiving no consequences for his reckless actions -- for himself at least.
* EverybodyLaughsEnding: One of the darkest examples.
* {{Foreshadowing}}: When Frank Grimes asks Lenny and Carl how someone like Homer could be safety inspector Carl simply says, "It's best not to think about it."
* JerkassHasAPoint: While Grimes's life is made [[DeusAngstMachina excessively miserable]], and Homer's stupidity is amped up [[CharacterExaggeration more than usual in this episode]], the idea of an incompetent, lazy slob having a much more successful lifestyle than a sane, hard-working individual would enrage anyone -- especially if they ''are'' that individual.
* KafkaKomedy: Grimes tries his hardest to expose Homer as a fraud, liar, cheat, incompetent employee -- only for fate to foil Grimes at every turn. The coup de gras comes when Grimes tricks Homer into thinking a "Design Your Own Power Plant" contest is open to anyone, when it's really for elementary school students only. When Homer wins and is praised and lauded for his efforts, Grimes reveals the truth and, when he is ignored and/or told to "lighten up," Grimes goes berserk -- [[spoiler: and it winds up killing him.]]
* OnlySaneMan: Grimes
* PlotHole: Kent Brockman's report at the beginning of the episode show Grimes living in a normal house, yet later in the episode the latter claims to live between two bowling alleys -- "above a bowling alley below another bowling alley." Then again, [[TheChewToy knowing his luck]], Frank's house was probably [[FridgeBrilliance destroyed in some disaster]], forcing him to move into that one-room apartment.
* TheReasonYouSuckSpeech:
-->'''Frank:''' God, I've had to work hard every day of my life, and what do I have to show for it? This briefcase, and this haircut! And what do you have to show for your lifetime of sloth and ignorance?\\
'''Homer:''' What?\\
'''Frank:''' Everything! A dream house! Two cars! A beautiful wife! A son who owns a factory! Fancy clothes and (''sniffs air'') lobsters for dinner! And do you deserve any of it? No!\\
'''Homer:''' (gasps) What are you saying?\\
'''Frank:''' I'm saying ''you're'' what's wrong with America, Simpson. You coast through life, you do as little as possible, and you leech off of decent, hardworking people like me. Heh, if you lived in any other country in the world, you'd have starved to death long ago.\\
'''Bart:''' He's got you there, dad.\\
'''Frank:''' You're a fraud. A-- a total fraud. (''walks out, pokes his head back round the doorway, and speaks to Marge and the kids'') [[MoodWhiplash It was nice meeting you.]]
* SpringtimeForHitler: Frank tricks Homer into entering a power plant designing contest for kids as an attempt to show the world what an idiot Homer is. Homer ends up winning, and Frank's sanity utterly disappears after this.
* YankTheDogsChain: Happens to Grimes at the beginning of the episode. At first, it looks like his hard work is about to pay off when Mr. Burns decides to make him Executive Vice President of the plant...only to give the position to a dog instead and just throw Grimes into Sector 7G. [[FromBadToWorse Things get progressively worse from there]].