you cant sign someone elses name.
carfax
only if the urine is someone elses
Not if it was done in an effort to defraud.
No, actually. It's not only illegal, it's also very inconsiderate.
In most jurisdictions, the answer is no. Usually legal only on private property. (ie: your own or someone elses with permission)
If the photo is taken from a public space - yes
yes
No. Whoever's name is on the title is going to be on the registration and insurance also. You can pay for the car and title it in somebody elses name, but at that point you've given them a free car, because you have no legal rights to the vehicle at all.
No. Unless a "fair use" exception applies use of someone elses copyrighted property without permisson is the definition of copyright infringement.
Yes, it is perfectly legal to do so. In fact most products that are on-line offer a download or printout version of the ToS of said product ;)
yes. it's also quite creepy.