Basic Trope: Siblings act like opposites.
- Straight: Alice is quiet and shy while Bob is loud and energetic.
- Exaggerated:
- Alice is a sane sister with good qualities while Bob is a sociopath with bad qualities.
- Alice is an incorruptible All-Loving Heroine, Bob is a Complete Monster.
- Downplayed:
- Alice and Bob are overall similar people, holding mostly the same opinions and even sharing several mannerisms. There are some small but notable differences between the two, however, like in how Alice tends to be direct and sincere while Bob is a Deadpan Snarker.
- Alice used to be almost exactly like Bob before undergoing a Cynicism Catalyst. Even now, while they're mostly different, they still share some quirks.
- Justified:
- Alice and Bob are half siblings or even Not Blood Siblings.
- Alice and Bob were seperated at a young age and raised in two very different environments or situations.
- Inverted: Alice and Bob are exactly the same in every. Single. Aspect.
- Subverted: When we first see them, Alice is quiet because she's exhausted from pulling an all-nighter. When she's well-rested she is just as chatty.
- Double Subverted: ...however, because Alice is a night owl and Bob is an early riser, they tend to be awake and tired at opposite times.
- Parodied: Every time Bob perks up and begins speaking enthusiastically, the Trope Police show up and give her a ticket for infringing on his sister’s territory.
- Zig Zagged: Alice and Bob are polar opposites in some ways, but identical or not so different in others.
- Averted: Alice and Bob do have a few differences, but not enough to qualify as this.
- Enforced: The writers wanted to ensure that none of the characters were too similar to each other.
- Lampshaded: "Funny how two people growing up in the same family can be so completely different."
- Invoked: Alice and Bob are Half-Identical Twins who decided to act differently so as not to be confused.
- Exploited: ...except on purpose, when they do a Twin Switch.
- Defied: Bob thinks Alice is awesome and tries to act like she does.
- Discussed: ???
- Conversed: ???
- Implied: Alice mentions that she has a brother that is opposite of her, but we don’t see said brother.
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