->''"Warrior of a hundred worlds. Mercenary captain of the Blood Wars. Sword of celestial vengeance. The planar champion moves between the planes, always driven to battle. She may be driven by a quest for justice or a thirst for blood, but she is feared throughout the known universes for her prowess."''
-->--'''D&D 3rd Ed. "Manual of Planes"'''

Imagine a TimeMaster but for alternate realities and multiverses. You get someone with the ultimate sense of WalkingTheEarth, ButNowIMustGo, and even TheHomewardJourney where the person's wanderlust or adventurous nature doesn't just take them across the world but beyond and between worlds. There is an increased impressiveness when a hero's traits are adapted for not just one grand frontier, but billions of them.
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!!Examples:

* Access (ComicBook/{{Amalgam Universe}})
* Tom Taylor (ComicBook/{{The Unwritten}})
* Kevin Keene (''WesternAnimation/CaptainNTheGameMaster'')
* Roland Deschain (''Franchise/TheDarkTower'' series)
* Tsukasa Kadoya (''Series/KamenRiderDecade'')
* Corwin (and possibly Benedict) of Amber (''Literature/TheChroniclesOfAmber'')
* John Furie Zacharias (Clive Barker's ''Literature/{{Imajica}}'')
* Will Parry (Phillip Pullman's ''HisDarkMaterials'')
* The main characters in {{Sliders}}. The Sci-fi Channel seasons have them directly confront the MultiversalConqueror Kromags.
* The Digidestined/Digimon Tamers in the ''Franchise/{{Digimon}}'' series.
* Marvel's Comicbook/{{Exiles}}
* Orion from {{Beyond Reality}}
* Sora from KingdomHearts, though the cosmology of the World is sort of weird. Each little universe is separated into distinct worlds, and the World is the designation for the Multiverse.
* Pretty much every heroic MichaelMoorcock character. [[TheElricSaga Elric of Melnibone]] is the most famous but almost all his characters roam the Multiverse. He may even be the TropeCodifier.
* Pretty much any PC in the {{Planescape}} campaign setting.
* The open-source character, JennyEverywhere is sometimes one of these, having the ability to shift between universes (and shift objects between universes, and mentally link up with alternate versions of herself.
* All of TheHomewardBounders, but especially Jamie.
* Joey Harker [[spoiler:and all his alternate selves]] from {{Interworld}}.
* Hottie (FanFic/Hottie3TheBestFanFicInTheWorld)
* Any planeswalker (including player characters) in ''TabletopGame/MagicTheGathering''
* Hoid (of Franchise/TheCosmere)
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