http://tvtropes.org/pmwiki/pmwiki.php/Main/CrazyPrepared

Date: Hey, Mizuki. What's inside that backpack you always have on you?

Mizuki: Well... Water, dehydrated bread, chocolate, biscuits, a flashlight, a hand charger, Swiss army knife, a candle, matches, triangular badges, a first aid kit, whistle, portable toilet, a plastic bag, duct tape, a grenade, disposable hand warmers...

Date: Do you have an entire disaster relief kit in your bag?

Mizuki: Better safe than sorry. I'm ready for anything. AI: The Somnium Files Hey, Mizuki. What's inside that backpack you always have on you?Well... Water, dehydrated bread, chocolate, biscuits, a flashlight, a hand charger, Swiss army knife, a candle, matches, triangular badges, a first aid kit, whistle, portable toilet, a plastic bag, duct tape, a grenade, disposable hand warmers...Do you have an entire disaster relief kit in your bag?Better safe than sorry. I'm ready for anything.

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Simply put, a character is excessively prepared for a scenario, no matter how unlikely.

This trope is for you if you always have on hand what it takes to MacGyver your way out of a tight spot, or have your large, impressive gun rack all sorted by varmint size, and are Genre Savvy enough to prepare for every unlikely trope,

See also: Police Code for Everything, Properly Paranoid, Suddenly Always Knew That, You Didn't Ask, Unspoken Plan Guarantee, Batman Gambit, Hidden Supplies, Survivalist Stash, Seen It All, Wall of Weapons, and Crazy Survivalist. Also compare The Anticipator, who manages to remain unsurprised despite lack of preparation. Contrast Forgot to Feed the Monster. Trust Password is a subtrope. If programmers try to anticipate everything the user might do, then it's Developers' Foresight.

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