Left 4 Dead 2: Jimmy Gibs Jr. Easter Egg and The somewhat new classic Infected

[(Hit Man)]

lolbump

[Ad Bot]

[Solid]

Wait, is this new DLC free?

[(Hit Man)]

no

[Lil Robot]

It might be free for PC because Valve is awesome.
Otherwise, probably 10$.
Also, you can create the fallen survivor in the Dead Center campaign after you give Whitaker the cola through console command.

[(Hit Man)]

Great news: My bro killed 7000 infected without dieing in a hour on Dead center cola shop, and went and finished the campagin