Yes, Krillin was killed by Tambourine, and therefore unable to be revived by the Dragon Balls. However, when he was revived after bieng killed by Frieza, he was revived by Porunga, the Namekian dragon
Ultimate Perfect Cell and SS2 Gohan never really fought against eachother, but it's unlikely that he would have actually been stronger than SS2 Gohan if Gohan could kill him with only one arm. Even if
It was more unclear than the previous sagas, but it wasn't all that unclear. The fact is that SS3 Goku was stronger than Fat Buu, and just because he told Piccolo that he wasn't sure if he could have beaten
They very well should have died if a simple punch from Kid Trunks sent Mr. Satan flying through the air. A single tap from Kid Buu should have killed them pretty much instantly. It's ridiculous enough
The characters that likely have the largest fan base are Goku and Vegeta, and close behind are Gohan and Trunks. Goku most very likely has the most fans. There are so many characters that there are many

©2009 About.com, a part of The New York Times Company. All rights reserved.