Patrick

Patrick is one of the characters to unlock. You unlock him by buying Patrick's Rock.

by buying it will unlock a movie called Rock, Sweet Rock.

He can be assigned to tasks and has multiple costumes.

In Normal Clothes

 * Think of Something To Do for 5 minutes to receive 11 Coins and 5 Happiness
 * Watch the New Mermaidman Movie for 2 hours to receive 50 Coins and 11 Happiness
 * Tidy Up for 4 hours to receive 65 Coins and 14 happiness
 * Remodel What's Under The Rock for 4 hours to receive 65 Coins and 14 Happiness
 * Stake Out the Chum Bucket (Unlocked from quest) for 6 hour to receive 70 Coins and 18 Happiness
 * Insist on Aiding Local Police Force (Requires Police Station) for 6 hours to receive 70 Coins and 18 Happiness
 * Goof Around at the Krusty Krab for 6 hours to receive 70 Coins and 18 Happiness
 * Defend Title for "Doing Nothing At All" for 10 hours to receive 85 Coins and 26 Happiness
 * Resist THE PRESSURE for 12 hours to receive 90 Coins and 28 Happiness
 * Watch Mermaidman Marathon for 120 Coins and 30 Happiness

Christmas Tree Costume

 * Enjoy Hot Cocoa in Front of TV for 2 hours to receive 50 Coins and 11 Happiness
 * Spread Holiday Spirit! for 4 hours to receive 65 Coins and 14 Happiness

Barnacle Boy Costume
(Edited Later if I can get him)

Trivia

 * Patrick and Spongebob are already best friends in the game. The game takes place when Spongebob first moved in Bikini Bottom and it's still unclear how they become best friends.
 * Defend Title for "Doing Nothing At All" is a reference to the episode Big Pink Loser.