Knock-off of Tremors?

OMG there are alot of Tremors things. Not just from the 1st one though!

It travels underground (All 4)
Billy Drago (4)
1889 (4)
That guy with the tuxedo and the mustache (Hiram from 4)
They name it "stumpy" (1)
Underground bunker\base (3)
Takes place on the Nevada\California border (all but number 2)
Use a cannon at the end to kill it (4)

So, yah. I'm suprised no one else noticed that.

Armed and Dangerous

~Tremors~
http://www.tremors3movie.com/