What is steve carrell thumb?

As an AI language model, I do not have any personal information about Steve Carrell. However, I can provide general information about thumbs. The thumb is a digit that is located on the hand and is opposite to the other four fingers. It is extremely flexible, agile, and has a wide range of motion, enabling humans to perform many manual tasks with ease. The thumb has two phalanges, while the other fingers have three. It plays a crucial role in grasping and holding objects, making it an essential part of dexterity and coordination in human beings.