List of taken characters.
Italics = Possibly.
Duplicate PBs are accepted only with Canon compliance, or on a case-by-case explanation
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Heroes:
Adam Monroe -
historyisme - David Anders
Bob Bishop -
allyourcompany - Stephen Tobolowsky
Claire Bennet -
x_unbreak_me - Hayden Panettiere
Claude Raines -
i_claude - Christopher Eccleston
Isaac Mendez -
beyourhero - Santiago Cabrera
Nathan Petrelli -
forourchildren - Adrian Pasdar
West Rosen -
rosenboy - Nicholas D'Agosto
NPCs
Elle Bishop -
nonhumans - Kristen Bell
Mohinder Suresh -
nonhumans - Sendhil Ramamurthy
Lyle Bennet -
nonhumans - Alex Pettyfer
Niki Petrelli -
nonhumans - Ali Larter
Peter Petrelli -
nonumans - Milo Ventimiglia
Zachary Teller -
nonhumans - Thomas Dekker
Doctor Who:
The Doctor (Ten) -
thetasigmaishim - David Tennant
Rose Tyler (AU Season One) -
roseoftime - Billie Piper
Rose Tyler (Season Two) -
valiiantchild - Billie Piper
Rose Tyler (Season Four) -
defender_rose - Billie Piper
Jack Harkness (AU Season One) -
roguetimeagent - John Barrowman
Torchwood:
Gwen Cooper -
gwen_harkness - Eve Myles
Ianto Jones -
thecoffeeboy - Gareth David-Lloyd
NPCs
Owen Haroer -
nonhumans - Burn Gorman
Marvel:
Blade - Erik Brooks -
daywalkerblade - Wesley Snipes
Cable - Nathan Summers -
cable_askani - Clive Owen
Captain America - Stephen Rogers -
ileadyoufollow - Matthew McConaughey
Cyclops - Scott Summers -
opticblast - James Marsden
Deadpool - Wade Wilson -
deadpool7 - Ryan Reynolds
Magneto - Eric Leshnerr -
xmagnetox - Sir Ian McKellan
Professor X - Charles Xavier -
cerebramine - Patrick Stewart
Nightcrawler - Kurt Wagner -
xxnightcrawlerx - Alan Cumming
Spiderman - Peter Parker -
webbedhead - Tobey MaGuier
NPCs
Marvel Girl - Jean Grey -
nonhumans - Famke Janssen
DC:
NPCS
Alfred -
nonhumans - Michael Cain
Batman - Bruce Wayne -
nonhumans - Christain Bale
Lois Lane -
nonhumans - Teri Hatcher
Rachel Dawes -
nonhumans - Maggie Gyllenhaal
Superman - Clark Kent -
nonhumans - Dean Cain
OC Characters:
Aaron Rosen -
rosentwo - John Patrick Amedori
Lena Podlewski-Bishop -
littledollygirl - Marcelina Sowa