Ack, forgot I was doing this.
Negatory on both, I’ll be a bit more specific.
Clue 3: He wears a suit, and a special hat.
AH-HA! The ‘You In The Suit!’ guy in Up!
Hehe, good job! Yeah, the construction boss guy, great line pull! 
[spoil]Tom: Ehh, you poured prune juice in his gas tank!
Carl: Yeah, that was good! Here, let me talk to him
…
Hey, you in the suit! Yes you! Take a bath, hippie![/spoil]
Awesome, you win! 
i have to say it’s kinda hard to crack the code lol.
okay, my turn:
1.)The character is a ‘he’.
2.) Fall in love with someone after encountering the main character.
Russell? and the fall in love is Kevin maybe? O.o Wild guess,…
Wait, no, it’s Dug!
nope.
3.) All that I can say, he’s ‘big’.
Bruce? It’s a longshot, but maybe.
nope. maybe the love is too random here.
4.) He loves a girl that also ‘big’.
i bet you already know the answer…
Ah! It’s John and Mary from Wall-E! Hehe, nailed it.
lol correct! you turn, dude [crush’s slang]
Hmm,…
Clue 1: He very is competitive.
Woody?
Nope, good guess though.
Clue 2: When he’s not aggressive, he’s very submissive.
M-O?
Nah, this one will probably give it away.
Clue 3: He spends all of his time with himself
Ooh, I love games ^^
Quote: “Preying upon the hungry souls of hapless artists!”
Clue: Um, well he’s green, thats for sure xD
Is no one gonna finish mine?
I’m guessing Mike Wazowski for yours (or Heimlich)
ffdude- is yours Lightning McQueen?
Nope, good guess.
last clue!
Clue 4: He likes to play games
Sid from Toy Story?