As Cain and Abel could tell you, it ain't always easy for famous siblings to get along. Between artistic temperaments, egos, money, fame and temptation, it's a wonder the bonds of brotherly love can ever survive rock 'n' roll. Here's a ranking of our favorite brother bands -- from saccharine-sweet bromance to stage-brawling near-fratricide.

Hanson

You think the Hanson brothers couldn't get any more adorable? Well, this unreal level of brotherhood bonding puts most families to shame: At youngest brother Zac's wedding in 2006, eldest Isaac was best man, middle bro Taylor was a groomsman, Taylor's wife was a bridesmaid, and Taylor's son was the ring bearer. How cute! When Taylor announced his Tinted Windows side project, the other Musketeers offered their full support, and the three have just finished a new Hanson album.
Sibling Rivalry Quotient: 0.0

Pantera/Damageplan

Your typical heavy-metal tough guys, Pantera co-founders Vinnie Paul and "Dimebag" Darrell Abbott were just big puppy dogs when it came to brotherhood. When a feud with singer Phil Anselmo neutered Pantera in 2003, they left to form Damageplan. When Dimebag was senselessly murdered onstage in 2004, Vinnie Paul's heart-rending eulogy said it all: "Dime will be missed more for his giving personality, charisma, caring for others, love and most of all his HEART!! Twice as big as the state of TEXAS!"
Sibling Rivalry Quotient: 0.3

The Jonas Brothers

The JoBros drop to No. 3 on this list because we suspect that the 'Camp Rock' stars may be