Patrick Star is a very foolish, clueless and unintelligent. Patrick is quite overweight and loves ice cream and many other junk foods. He resides under a rock which he claims he built all by himself.
Patrick's portrayal is pleasant, overweight, lazy, unmannerly, unintelligent, and generally ignorant.
In some episodes, Patrick has trouble with even the most rudimentary tasks and displays little common sense or intelligence. His memory can be appalling and he can forget how to do the most instinctual of actions such as eating or how to fall over.
In other times, he can appear almost so brilliant that it surprises the other characters, and is prone to fits of temporary intelligence, which confuses the other characters. In earlier episodes, Patrick appeared to be somewhat more intelligent, often making profound comments and often being very articulate.
His personality may be based on the deadly sin of Sloth, which is the sin of being lazy and having little to no motivation.
Despite this however, Patrick does appear to have anger problems and his ignorance can result in him unintentionally (and sometimes purposely) cause problems and even harm to others around him.
Although he is unintelligent and is usually carefree, well-meaning, detached and a close friend to SpongeBob, Patrick has frequently acted cold, shrewd, selfish, and even quite psychotic many times in the series.
Strength: Patrick has shown to be physically strong in various episodes, such as lifting up a road and chopping an old boat in half perfectly.
Low IQ: Patrick’s worst weakness is his low IQ, as his stupidity tend to inadvertly drove him commit evil and stupid things without regarding situations that he face no matter whether he had good or evil intentions. This tend to hinder his problem solving skills, as seen when he tries to help other, he ended up to made everything worsens, ended up doing nothing, or did the opposite.
Laziness: Patrick is very lazy and usually takes poor care of himself and his "house".
Sometimes, Patrick sleeps on the ceiling of his rock, although far more often he sleeps in a regular bed. Patrick spends much of his day sleeping under his rock. There are many inconsistencies in the depictions of his house due to the nature of the cartoon and utility treatment of backgrounds: In one episode, his house's depiction is nothing but a bed and a chest of drawers, yet in others, he appears to have a kitchen and a living room.
Due to some episodes (mainly the modern episodes from Season 4-Present) portrayed him as unlikable character, Patrick's morality brought misconception and controversy. In fact, he sometimes portrayed as antagonist, other times as outright hero, and somewhere in between depend on the writer. In the series, more than often his role was due to his low IQ, which is apparent due to the show's flanderization. Because of it, the worst side of his personality, much like other main casts, also exposed an exaggerated as well, in which at times he could became more selfish and mean, while his stupidity potentially proned him to do dangerous things regardless of his intentions, something that made him more looked like a manipulative sociopath (or more accurately, Semi-Sociopath) who capable to hide his malicious agenda by pretending to be very stupid.