Basic Trope: A character has multiple heads with different personalities.
- Straight: Alice has two heads. One is cheerful and optimistic, the other is moody and cynical.
- Exaggerated:
- Alice has seven heads, with wildly different personalities, who consider each other mortal enemies.
- Each of Alice's heads is a separate example of Split Personality
- Downplayed: Alice has two heads with slightly different personalities, but they don't differ that much, and she and her friends consider her a singular person.
- Justified:
- Each of Alice's heads has a different brain, so unless Our Souls Are Different, it would follow that she would have different personalities.
- Nuclear Mutant, Mutants, Bizarre Alien Biology, etc.note
- Alice and Carol are Conjoined Twins.
- Inverted:
- Subverted:
- Alice is seen arguing with herself, but later she explains that it's no different from when a one-headed person has conflicted opinions.
- Alice is introduced with two heads that each have different personalities, but she gets half-decapitated, making her remaining head an Angsty Surviving Twin.
- Double Subverted:
- While Alice is explaining why her heads argue, her other head interrupts her, denying what the first head is saying.
- Later on, Alice takes some serious damage and gets it undone using a heal-all magic spell... which also applies to the decapitation from 80 episodes ago.
- Parodied: Alice has two heads, and they often disagree with one another. This is because Alice is jewish.
- Zig Zagged: Alice argues with herself, but then explains that it's her way of working out conflicted feelings. the other head interrupts her and disagrees, starting yet another argument(?), but she later says that she likes to randomly pretend she has different personalities because it's funny. Both heads are usually so stoic that it's hard to tell.
- Averted:
- Alice's heads do not differ in terms of personality.
- None of the characters in the show have multiple heads.
- "Alice" is a robot, and as such has no mind in the first placenote
- Enforced:
- The head writer originally wanted Alice's heads to have the same personality, but higher-ups felt that there was no point to her having two heads unless they function as two different characters Sharing a Body. The writers chose that over her having one head.
- The actors that play Alice('s heads) have too much difficulty acting in sync to make for a believable single mind.
- Lampshaded: "Meet Alice. She's pretty much two different people." "That I am." "Hey!"
- Invoked: A Literal Genie or a Jackass Genie hears something along the lines of "I wish to never be lonely" and gets to work.
- Exploited: Inspector Edge gets Alice's heads to bicker with one another, making her into The Millstone.
- Defied: A Psychic Link is established between Alice's heads ASAP.
- Discussed: "Hey, perhaps we can get this massive hydra to fight itself? Just a thought."
- Conversed: "Does Alice even count as one character?"
- Deconstructed:
- Alice's heads want nothing more than to be able to live their own separate lives.
- Alternatively, just because her heads have different personalities doesn't mean they argue constantly. They are civilized people that have known each other since birth.
- Reconstructed:
- They may be different, but they're so good at working together that they decide they might as well stay together.
- Actually, neither of them are as civilized as they may seem.
- Played for Laughs:
- Alice's heads are on different sides of a Fandom Rivalry
- Alice is The Klutz and when she does something wrong, her heads blame each other
- Played for Drama: One head somehow finds out something the other doesn't. Dramatic Irony ensues.
- Played for Horror:
- Alice becomes insane, clones herself, and stitches her and her clone's bodies together.
- Alice feels something burrowing through the skin between her neck and shoulder, and once it rips through her flesh, it takes control of Alice’s arms and chokes her.
- Implied: Byron's heads wear different expressions and have different hairstyles.
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