Nor the anime or manga specify this, however, it is highly unlikely that he is because of his interest in human beings. (He's a moth. Just saying.)
You can't become human, you are born human.
The study of physical repercussion of human traits as human mutations from abuse or human interactions.
Human Anatomy is the study of structure of the human body.
Yes. Human DNA is human DNA.
The human torso is the whole human body excluding the head, neck, and limbs.
In the light novel series Durarara (styled Durarara!!), Izaya Orihara's borthday is given as May 4.
black and brown
There are no rules
Somewhere in Shinjuku. They never specify exactly where.
troll
Yes it is because they have a lot of interesting places and plenty of things to do.
Izaya's eyes are officially auburn, a cross between a brown and red color. Most people tend to think that they are an off brown, while in fanfiction forums, they are seen as red. All in all, its a cross between the two.
Because they like each other... a lot. Mairu and Kururi are strange. (Even in the novels) Izaya comes out and practically says it was his fault that his sisters are screwed up. (not that he cares for them) In the light novels, they kiss a lot ...and occasionally grope each other.
Because he finds fun to mess with If you think in the way he does all humans are pawns on a chess bored but he thinks of him self as god but he isn't he loves humans cause they have emotions and you can mess with them very easily.....hope i helped.... -Zemy Tiger Lillie
A Pretty Dulahun. Dulahuns Are Female Grime Reapers with out a head. she is from durarara the anime. she works as izaya orihara's messanger person.
Johnny Yong Bosch is the voice actor that portrays Izaya. Johnny's acted (voice and on-screen) in over 100 projects and including the roles of the famous characters Ichigo Kurosaki (Bleach), Lelouch Lamperouge (Code Geass), Vash the Stampede (Trigun), and even portrayed the Black Ranger in the original Power Rangers series
Hachimenroppi, or Roppi for short, is an anti-social, but deeply misunderstood alternate version of Izaya Orihara and is in love with Tsukishima, an alternate Shizuo Heiwajima.