Squidward is SpongeBob's friends and residents of Bikini Bottom, Bikini Bottom is a city in which SpongeBob and his friends. There spongebob, patrick Starfish, fish, jellyfish, crabs, squid and all the inhabitants of the seabed.
Squidward is one of SpongeBob's friends, but Squidward do not really like to play with SpongeBob and Patrick, Squidward likes to play music.