I love crossovers + I love bandom = this list.
Warning: these stories contain gen, het, slash, threesomes, foursomes, werewolves, apocalypses, and in #10? The best explanation for Pete Wentz I have ever seen, OMG.
01.
Accentation (Bob Bryar/Wesley Wyndham-Price) [RPF/BtVS]
02.
Before the Future (Frank Iero/Daniel Osborne) [RPF/BtVS]
03.
Cosmo & Wanda's New Fairly OddChild (gen) [RPF/The Fairly Oddparents]
04.
Date Night (Ray Toro/Buffy Summers) [RPF/BtVS]
05.
forty thousand men and women every day (gen) [RPF/Supernatural]
06.
From the Lights to the Pavement (sequel to
this snippet) (Abby Sciutto/Frank Iero/Gerard Way) [RPF/NCIS]
07.
Hope You Survive the Experience (Various) [RPF/X-Men] (Series in Progress)
08.
I Ain't in This for Your Revolution (Brendon Urie/Ryan Ross) [RPF/Star Wars]
09.
I Said Hey, Have You Heard of My Religion (Gabe Saporta/Justin Timberlake) [RPF/Popslash]*
10.
(I'll Be) The Only Thing Between You and the Stars at Night (Brendon Urie/Ryan Ross/Spencer Smith/Jon Walker) [RPF/Star Trek: Deep Space Nine]
11.
just living (Pete Wentz/Dean Winchester) [RPF/Supernatural]
12.
Male Bonding is Always Aided by the Presence of Ponies (Brendon Urie/Seth Cohen) [RPF/The OC]
13.
Mating for Life, and Other Cliches (Various) [RPF/Harry Potter]
14.
People Say A Lot Of Things They Don't Mean (Various) [RPF/Burn Notice]
15.
Rock And Roll Don't Give Her Nothing But Bad Dreams (Various) [RPF/Entourage]
16.
Ryan Ross and the Panic at the Disco (Brendon Urie/Ryan Ross/Spencer Smith/Jon Walker) [RPF/Harry Potter]
17.
A Step Out of Time (Various) (Series in Progress) [RPF/Stargate SG-1/Macgyver]
18.
Supersaturation 'verse (Various) [RPF/Stargate Atlantis]
19.
the men, the myths, the monotones (Ryan Ross/Fox Mulder) [RPF/The X-Files]
20.
we all belong to the earth in the end, but this is just the beginning (Pete Wentz/Patrick Stump) [RPF/Supernatural]