Why is Kramer from Seinfeld so hyper?

Kramer, played by Michael Richards in "Seinfeld," is characterized by his hyperactive and eccentric personality, which serves as a source of comic relief in the show. His erratic behavior, spontaneous ideas, and unique physical comedy style are often exaggerated, making him a memorable and entertaining character. Kramer's hyperactivity is also a reflection of his carefree, unconventional lifestyle and his tendency to embrace life's absurdities without much concern for social norms. This dynamic adds to the show's humor and highlights the contrasting personalities of the main characters.