Ill compose a list of really good ones....its gonna be long though

Here are Manga's guys might be interested in, Ill update it afterwords:
666 Satan (Shounen about a Treasure Hunter who collects magical items/weapons and the protagonist is Satan)
Ao no Exorcist (Demon/Exorcist manga-Shounen about a son of a priest who is also the son of satan)
Ashita no Joe (About a Guy becoming a Boxer)
Baki Series (Baki Son of Ogre, Grappler Baki - Kid wants to become the strongest grappler by beating his Dad)
Bakuman (Two guys that become Mangakas)
Bambino (Japanese guy thats an Italian Chef and how he gains experience)
BB Project
Beelzebub (Guy becomes parent of Beelzebub, son of the great demon king)
Bleach (If your looking to read a manga, you MOST LIKELY have seen, so no need for an explanation)
Blood & Steel (About a Martial Arts Clan trying to become number in the world and they destroy the protagonist's clan)
Blood Lad (About a Vampire trying to resurrect a girl from a modernized type underworld)
Bloody Monday (Season1&2- About a genius hacker stopping terrorists)
Break Blade (Gundam type manga)
Berserk (Manga which Hellraiser Movie Franchise is slightly based on- Guy fights demons and carries a HUGE sword)
Buster Keel (Shounen- About monster that turned into a human and trying to change back with the help of 2 other people)
Buyuden (Boxing Manga- Smart elite student trys to learn boxing)
Change Guy (Nerd Swaps body with Tough dude...fighting and stuff)
Code:Breaker (About a guy who can create blue flames from 1 of his hands and other kids who have similar powers)
Cyber Blue (About a guy that fuses with an ancient robot- by Artist of Fist of the North Star)
D.Gray-man (Popular Anime series)
Defense Devil (Son of Satan is a lawyer for people that died to get them to heaven)
Dendrobates (New-About a Police Accountant who is a Hitman by night)
Detective Conan (Mystery Manga- Famous School detective turns small and solves crimes)
Detroit Metal City (Pretty funny about a Rockstar who sings with swear words)
Dragonball (Who doesn't know this…)
Dragon Quest Dai no Daiboken (Great Shounen)
Eat Man (Guy that eats stuff and can recreate it)
Eden no Ori (Survival Manga involving prehistoric animals)
Enigma (Survival Manga- School kids with powers trying to stay alive....)
Eyeshield 21 (About football)

Fairy Tail (Shounen about a magical guild with people who can use magic and dragon magic)
Fist of the Blue Sky (Martial Arts)
Full Metal Alchemist (Epic Manga about Alchemy and stuff)
Full Metal Panic! Sigma (Combat Manga about a high school kid thats also works for a secret organization)
Gamaran (Different Martial Arts Schools fight to see who is the strongest)
Gamble Fish (Gambling manga where protagonist usually bets all the money he has to save his father)
Gantz (About some aliens trying invading Earth…something along the lines)
Gekiryuuchi (Suicidal kid becomes a street fighter)
Giant Killing (Guy becomes a soccer coach)
Great Teacher Onizuka (About some guy who was a delinquent who becomes a teacher)
Gwi (Martial Arts)
Hajime no Ippo (Kid that does boxing- around 900 something chapters released)
Hareluya II Boy (About a delinquent who wants to rule the world)
Heat (Gangster Manga)
High School (About some delinquent)
History's Strongest Disciple (Guy that learns Martial Arts from various godlike-level teachers)
Hokuto no Ken (Fist of the North Star - Assassination Martial Arts)
Holyland (Guy becomes a street fighter --> Really Good)
Honorable Baek Dong Soo (Martial Arts)
Hunter X Hunter (Good adventure type manga)
Id (Adventure)
Immortal Regis (Good manga and continues from Cavalier of the Abyss)
Jesus (About an Assassin who becomes a school teacher)
Kamen Teacher (Teacher who wears Motorcycle helmet to go teach delinquents a lesson)
Karate Shoukoushi Kohinata Minoru (Karate Manga)
Katekyo Hitman Reborn! (About becoming a Mafia Boss)
Kenji (About a kid who is learning Bajiquan kungfu)
Kindaichi (Mystery Series)
King of Hell (Adventure)
Kongou Banchou
Kurogane (New-About some kid thats weak and possessed by an Kendo Ghost joins the school kendo club)
Kuroko no Basket (Basketball Manga)
Kyou Kara Ore Wa!! (LMFAO funny - About a 2 guys trying to be delinquents)
Law of Ueki Series (About the selection of the next God and their representatives)/
Left Hand of God-Right Hand of the Devil (Horror Manga)
Legend Hustle (New)
Liar Game (Money/Survival Game?)
Light Wing (New Soccer Manga)
Left Right (New Manga where 2 ppl given Power - power of immortality and power of money)
Lost + Brain (About a smart guy who wants to brainwash the world or was it japan?)
Luck Stealer (Dude that steals peoples Luck)

Most of the manga I read was already mentioned by other people but
I do read Witch hunter which is sort of a cross between D. Grayman and Soul Eater

O and Soul Eater which has not been mentioned yet

Fullmoon wo Sagashite (if you want a manga with amazing drawings)
Dr. Slump (you'll laugh your ass off)
Fruit Basket (if you're into the zodiac stuff)
Ouran High School Host Club (it's interesting but I stopped reading it )
Case Closed (it's insane!!! you MUST read or watch it as anime Detective Conan)
Gals! (also an anime Super Gals! it's like your typical high school stuff, check it out it's really great!)
D.N. Angel (the storyline is very interesting!!)
Death Note (most likely you must have already read it, or you should!!! )
Hana-Kimi (my 2nd manga i actually finished xD it's also a drama! I saw the taiwan version it's so funny!!)
Naruto (but it drags on forever, i stopped reading)
Bleach (crazy insane drawings)
One Piece
Ultra Maniac (it's the cutest thing ever! and the anime is cool too!)
Vampire Knight (I read a bit of it, it's intense and the storyline is great!)
Whistle! (all about soccer and conflicts!!!!! all boys manga xDD)



^^ hope this helps!

Personally aside from the big three (O.P, Naruto, Bleach) I like:
- Beelzebub - ongoing http://www.mangareader.net/222/beelzebub.html
- Gash Bell - Done http://www.mangareader.net/266/zatch-bell.html
- FMA - Done http://www.mangareader.net/116/full-...alchemist.html

M.C Law (About some Delinquent who became a lawyer)
Magi (Genies and Stuff)
Magic Kaitou (About a Thief from Detective Conan)
MAR (Shounen)
Medaka Box
MiXim (Shounen involving Zodiac and Constellations)
Monster (About Killer…Sort of deep Psychology typish manga)
Monster Hunter Orage (Hunting Monsters)
Mx0 (Magic School manga)
Naruto
Nurarihyon No Mago
Ocha Nigosu
One Piece
Overdrive (Bicycle Manga)
P.K (Martial Arts Tournament manga)
Ping (Martial Arts)
Psychometrer Eiji (Psychic Mystery)
Prince of Tennis (About Tennis)
Psyren (About using EPS to fight)
Ragnarok (Good Short Series)
Riki-oh (Interesting…)
RRR (About some afro guy learning boxing)
Samurai Deeper Kyo
Shaman King
Sensen Spike Hills (About Stealing University Test Papers)
Shounan Junai Gumi (Good Delinqent Type read)
Silvery Crow
Soul Eater (About Shinigami's in-training fighting witches and monsters with their companions that can turn into weapons)
SWOT
Sun-Ken Rock (How a guy starting a gang)
Tekken Chinmi Series (Martial Arts Series)
The Breaker Series (Kid that learns martial Arts)
The God of High School (Interesting Martial Arts Webtoon)
The Legend of Maian (About some guy with Hero Blood and a Sorceress)
The Red Soul (About different tribes that believe in different gods and 1 guy that leaves his tribe to kill the god of death)
Tiji-Kun (Martial Arts)
Toriko (Fighting Manga in a world that revolves around different Food from the weirdest creatures and plants)
Tough (Martial Arts)
Ushio to Tora (about a guy who gets a beast spear and fights of demons)
Usogui (Gambling)
Utopia's Avengers (Martial Arts?)
Veritas (Martial arts with elements involved)
Vinland Saga (Viking Manga)
Witch Hunter (Revolves around witch hunters and a guy that has a pumpkin companion)
Yu Yu Hakusho (Underworld Detective)
Yami No Aegis (Bodyguard for Hire with a metal arm )
Yankee-Kun to Megane-Chan (Delinquent School boy and Ambitious not so smart girl)
Yureka (Online Game type manga)
Zippy Ziggy (Marital Arts)

Wow that's a lot of action manga.


...
...Baka and Boing (NSFW - not Hentai, but some fanservice) - It's about a fan of a Jap gravure idol who sacrifices his life to keep her from leaving this world and their struggle together to get their lives back by helping ghosts abandon the world.
...

OnePiece or Bleach.

I heard that one piece is pretty good, and it has animation too!!!

detective conan <3 kind of repetitive but still one of my faves

gintama is like the only mainstream anime/manga I keep up with now simply because it's hilarious. @[email protected];

Originally Posted by lorii

detective conan <3 kind of repetitive but still one of my faves

gintama is like the only mainstream anime/manga I keep up with now simply because it's hilarious. @[email protected];

I love both animes. I watch new episodes every week!

Yotsuba! This soooooooooooooooooooo o cute and you actually lol at some parts!!

Buddha by Osamu Tezuka is quite good!