Thing is not made out of rock...it looks like rock...Colossus isnt made out of steel...it looks like steel...Thing bends steel like playdough...doesnt mean he can rip right through Colossus and vise versa...neither Thing or Colossus are invulnerable...they are very resistant to injury but not invulnerable...dont tell me to do my homework or read the official marvel encyclopdia...I all the official marvel handbooks, I know their powers. regardless, they have antiquated information on the Thing published back in like 1987...a couple years later Thing had a strength increase making him stronger than the Hulk. Suggesting that I need to work on my comic knowledge, coming from u? that is laughable...If you read your encyclopedia or handbook or whatever, u will see that the Thing has increased durability and density throughout his entire body, including his organs, which are proportionately durable and dense. This includes his eyes. The Thing has no external ears. He is basically just designed for toughness. His senses are also highly resistant, you cannot blind him from a bright flash or hurt his ears with sonics...This is an ability they go out of the way to mention, and neither Thor or the Hulk really demonstrate this. I have seen Mystique blind colossus with a white hot flash device she threw in his face. No colossus doesnt need to eat or breath...it doesnt mean he would outlast Thing, they have the same relative endurance...Thing appears to be more resilient though...He gets beat to hell by cosmic types all the time and keeps going. They both fought Champion back to back...Champion beat colossus so bad his face was bruised up metal and he was just standing there and couldnt defend himself, Thing just kept going to the end. Thing operates on higher levels...the picture I posted is a demonstration of what Things skin is capable of: producing an unstoppable army of Things that would have killed the FF, the Avengers, and the X-men all in a few hours. Thing will continue to evolve to an undetermined level. But Reed Richards showed that in a few thousand years his skin becomes an omnicient being in control of its structure on to the subatomic level...do your homework