Well, I remember my dad's 94 SR5 that was tan and had a brown striping down the side. He lovingly referred to it as the 4-Skinner. There was a high school kid in my town who recently purchased it from a guy who bought it from us 5 years ago, and apparently the nickname stuck, as he calls it the same thing!
My 2000 is called the Black Burro, as it's not quite a stallion when it comes to speed, but it'll haul whatever I need it to and it keeps going!