Simplify the following text for a Grade 7 native English-speaking person.
Original: His career as a syndicated cartoonist ran from 1985 to 1995 ; he stopped drawing Calvin and Hobbes at the end of 1995 with a short statement to newspaper editors and his readers that he felt he had achieved all he could in the comic strip medium .
Simplified: He is most famous for his comic strip , `` Calvin and Hobbes '' which was published between 1985 and 1995 .