Teemo isn't OP. No champion is really OP. However, there are some champions that can seem OP to low level summoners who are still learning the ropes or have bad team comps. When I was low level, I hated Teemo, and Master Yi, and Vayne (who had just been released) with a veangence.
Passive: This is the most OP thing ever. Free stealth. It doesn't cost mana and can last infinitely if you want it to. Oracle's? Pink Wards? NU YOU CAN'T GO OUT OF YOUR BUILD TO COUNTER CHAMPIONS, DAS WHY DARIUS IS SO OP OMG. He has to stay still? BUT BUT HE CAN JUST AVOID MOVING. Skill shots to locate? WUTS THAT I ONLY PLAY MASTER YI YOU'RE DISCRIMINATING MASTER YI MEANIE
Q: Blinds for a second or two. I PLAY MASTER YI 24/7 AND WHENEVER HE BLINDS HE DODGES LIKE A BAJILLION OF MY ATTACKS WTFFF
W: OMG FREE STATS LIKE TEEMO ISN'T FAST ENOUGH ALREADY WHY WOULD YOU DO THIS RIOT THIS GAME IS SO BROKEN GAWD.
E: THIS IS OP. Why? I'M GONNA COMPARE THIS TO ANNIE'S E EVEN THOUGH BOTH OF THESE SKILLS AREN'T RELEVANT AT ALL. TEEMO GETS DAMAGE AND ALL ANNIE GETS IS A SHIELD WITH ARMOR AND MR. TOTALLY USELESS BECAUSE GLASS CANNON BUILD IS THE ONLY LOGICAL BUILD IN LEAGUE SO YOU CAN KILL FASTER.
R: K so I was tower-diving the minute I hit 6 (Yi so good YEAHHHHHH) and I ran out with like 1 HP trololol and went to bush to B, when all of a sudden, BOOM! TEEMO HAS SLAIN ME AND YOU KNOW WHAT? HE WAS HALFWAY ACROSS THE MAP HE SHOULDN'T BE ABLE TO KILL THAT'S UNFAIR AND OP. I BET HE WAS OUT LAYING MORE OP SHROOMS.
well state your reasons
Passive: This is the most OP thing ever. Free stealth. It doesn't cost mana and can last infinitely if you want it to. Oracle's? Pink Wards? NU YOU CAN'T GO OUT OF YOUR BUILD TO COUNTER CHAMPIONS, DAS WHY DARIUS IS SO OP OMG. He has to stay still? BUT BUT HE CAN JUST AVOID MOVING. Skill shots to locate? WUTS THAT I ONLY PLAY MASTER YI YOU'RE DISCRIMINATING MASTER YI MEANIE
Q: Blinds for a second or two. I PLAY MASTER YI 24/7 AND WHENEVER HE BLINDS HE DODGES LIKE A BAJILLION OF MY ATTACKS WTFFF
W: OMG FREE STATS LIKE TEEMO ISN'T FAST ENOUGH ALREADY WHY WOULD YOU DO THIS RIOT THIS GAME IS SO BROKEN GAWD.
E: THIS IS OP. Why? I'M GONNA COMPARE THIS TO ANNIE'S E EVEN THOUGH BOTH OF THESE SKILLS AREN'T RELEVANT AT ALL. TEEMO GETS DAMAGE AND ALL ANNIE GETS IS A SHIELD WITH ARMOR AND MR. TOTALLY USELESS BECAUSE GLASS CANNON BUILD IS THE ONLY LOGICAL BUILD IN LEAGUE SO YOU CAN KILL FASTER.
R: K so I was tower-diving the minute I hit 6 (Yi so good YEAHHHHHH) and I ran out with like 1 HP trololol and went to bush to B, when all of a sudden, BOOM! TEEMO HAS SLAIN ME AND YOU KNOW WHAT? HE WAS HALFWAY ACROSS THE MAP HE SHOULDN'T BE ABLE TO KILL THAT'S UNFAIR AND OP. I BET HE WAS OUT LAYING MORE OP SHROOMS.