Simplify the following text for a Grade 6 native English-speaking person.
Original: Calvin and Hobbes is a syndicated daily comic strip that was written and illustrated by American cartoonist Bill Watterson , and syndicated from November 18 , 1985 , to December 31 , 1995 .
Simplified: Calvin and Hobbes have all sorts of trouble and adventures . The comic strip continued from November 18 , 1985 until December 31 , 1995 .