Basically, I would be looking for some more morally complex manga which features the kind of leader that inspires eternal loyalty on his men.

Specifically, some kinda of bigger group/organization. The leader could do well in the mold of Prince Canute from Vinland Saga, with less religion on him if possible, and more focus on the character.

Shin Angyo Onshi
Nurarihyon no Mago

Berserk Griffon is very charismatic.
Akira - though not really charismatic it is a great manga and deals with big groups
Also if you don't just want a manga with a charismatic leader check out A Clockwork Orange a great movie actually maybe the coolest villain made has to be Alex

Protect Independent Film
All that we see or seem Is but a dream within a dream. - Edgar Allen Poe

Imagination rules the world. - Napoleon Bonaparte

All men are born with a nose and ten fingers, but no one was born with a knowledge of God. - Voltaire

psycho busters

Utawarerumono (at least if it follows the anime - I haven't read the manga yet.)

If you've ever thought or said "Nice Guys finish last" and really meant it, then you should probably read this LJ post by DivaLion. It's incredibly insightful whether you're male or female.

From a bumper sticker I like:
"If you're gonna ride my ass, at least pull my hair."

banana fish...morally complex, older manga. Ash might be considered a charismatic leader...maybe, sorda, but I haven't read very far because not much is scanlated.

20th Century Boys

Avatar by tassyn.livejournal.com

Reading: Kingdom, Sangokushi, Historie

Well, I can't really help you with manga, but have you read the Miles Vorkosigan series by Lois McMaster Bujold? Starting with The Warrior's Apprentice.

They say it's the thought that counts, but then they tell you, "The road to hell is paved with good intentions......"

Will no one scanlate Takahashi Miyuki?! T_T

Saver I suppose?

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Basara
tokyo crazy paradise
worst

Pretty much pick any yakuza/delinquent manga and there will be a leader who has his men's loyalty.

Feed your head.

GTO

well i havent read it but i think it fits 😛

** "It's so warm that, Before the snow has a chance to stick, He melts it for me." **