You couldn't, because it isn't your own original creative work. You could copyright a photo of your face, though.
No it has no copyright on it at all.
no.
Most celebrities class their image, that of their face or any-other body part, work or property as potential income. Many will consider their picture on a garment as breaching copyright. You will need to check through legal channels to identify if your "picture" is held as copyright
You should be able to use it in face-to-face teaching without a license.
Although Warner doesn't have the copyright on that name specifically, they could still take action if it appears your use is piggybacking on the success of their character.
Nearly every use would require permission. The only example I can think of that might not would be using the logo in face-to-face instruction about logos and branding.
If the clip is for the purpose of face-to-face teaching or critique (e.g., your presentation is on a style of editing used in the movie), a reasonably short, properly attributed excerpt should be defensible under fair use. Other uses would require permission from the copyright holder.
Do Not Make Any Sort Of Habbo Retro, they are illegal and if caught you could face an astonishing fine for copyright.
"Copyright in fragment" is a common misspelling of "copyright infringement," which is the violation of copyright.
Some uses may be considered "fair" within the law, in the case of face-to-face teaching activities. It's not necessarily the case that all uses by students would be fair.
The tattoo meets all requirements for copyright protection, and Tyson and the artist had a written agreement conferring those rights to the artist, S. Victor Whitmill. For more information, see the article linked below.
Not necessarily. Within the copyright law is a section called "fair use," which allows certain specific unlicensed uses in cases such as research, study, and education. Section 110 also offers certain exemptions for face-to-face teaching, and the TEACH Act extended some of these exemptions to distance learning. See the link below for more information.