Awesome Concept Art From BTTF II by Sam | Apr 7, 2010 | Film & TV | 0 comments I heart all things BTTF. You have some BTTF stuff? Send to me. Personally kinda love this concept of the ‘Pitt Bull’ better. [via] Pin It Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.