Hi all, I'm trying to compile a complete list of all of the 2-Packs released to date.  I'm not counting duplicate releases on different card designs, but I am including both packaging and diecast variants.  Please let me know if I have missed anything.  Here goes:

Grem/Damaged Rod Torque Redline
Brent Mustangburger/Darrel Cartrip
Francesco Bernoulli/Lightning McQueen with Party Wheels
Finn McMissile/Leland Turbo
Uncle Topolino/Mama Topolino
Race Team Fillmore/Lightning McQueen with Travel Wheels
Race Team Mater/Sal Machiani
Finn McMissile/Tomber
Race Team Mater/Zen Master Pitty
Race Team Mater/Zen Master Pitty (with mustache) – Variant
Luigi/Guido/Uncle Topolino
Acer/Security Guard Finn McMissile
Professor Z/Acer with Helmet
Francesco Bernoulli/Ka-Ciao Lightning McQueen

WalMart Exclusive 2-Packs
Finn McMissile with Weapon/Grem
Fred Fisbowski/Holley Shiftwell
Fred Pacer/Holley Shiftwell
Mater with Spy Glasses/Acer
Professor Z/Tyler Gremlin

KMart Exclusive 2-Packs
Carla Veloso/Carla's Crew Chief
Francesco Bernoulli/Giuseppe Motorosi
Jeff Gorvette/John Lassetire
Lightning McQueen with Racing Wheels/Fillmore with Headset

There was also a Professor Z/Tyler Trunklis variant instead of Tyler Gremlin, wasn't there? I remember everyone calling it Tyler Trunklis before calling it Tyler Gremlin, but I don't remember why.

Fillmore1234 said:

There was also a Professor Z/Tyler Trunklis variant instead of Tyler Gremlin, wasn't there? I remember everyone calling it Tyler Trunklis before calling it Tyler Gremlin, but I don't remember why.

I don't believe any packages ever said Tyler Trunklis.

Thanks for the list!

There is another naming discrepancy – Carla's Crew Chief was called "Cruz Besouro" on some packs while there are some with just Carla's Crew Chief.