Bragger, braggart, windbag, show-off, boaster, blowhard...
Someone who boasts a lot is called a "braggart".
A person who always lies is often referred to as a "compulsive liar" or a "pathological liar." This behavior may stem from various psychological factors or conditions.
A person who constantly boasts about themselves may have low self-esteem and feel the need to overcompensate. It can be a defense mechanism to mask insecurities or a way to seek validation and admiration from others. Ultimately, this behavior may push others away and hinder genuine connections.
Arrogant, Pompous. A Braggart
a person who is always in a good mood is called jolly, or enthusiastic
A person who always thinks the worst will happen is known as a pessimist.
person always wants to win
A person who always expects good things to happen is called an "optimist" A person who always expects bad things to happen is called a "pessimist".
A hypochondriac
Family/Best Friend
Incessant complainer
A person whom always puts things off is called a procrastinator.
boast