The bulldozer is voiced by Simon Kerr, the voice actor for Dallas.
The least achieved achievement in the base game right now is the achievement "Knockout" which requires you to kill a bulldozer with the boxing gloves melee weapon.
On Rats day 3, you can see the Watchdogs day 2 map from the bridge.
Wolf is voiced by Ulf Andersson, co-founder of Overkill Software.
There is a character in the Big Bank trailer named Bobblehead Bob. He can be found in the heist as a civilian and there is an achievement for leading him into the vault of the Benevolent Bank.
Gensec Elite SWAT units only spawn on the Deathwish difficulty and are immune to being knocked down with melee and take 20% less explosive damage. They also can handcuff players.
The shield enemy in Payday 2 has no speaking lines, but bangs on his shield to announce his presence. The only special enemies with speaking lines are Tasers, Cloakers and Bulldozers.
The OVE9000 saw is a reference to the infamous "Over 9000" meme and we all know that by now. What you probably dont know is that the saw is the only weapon police officers will address. They sometimes say "Is that a ******* saw?"
Well, thats it for this comp. If you liked it and want more, give a green thumb. 100 green thumbs and I'll make another. Thanks