Is Elphaba really the most wicked in all of Oz?
The only truly selfless character, Elphaba is painted as wicked by Madame Morrible for going against the law.
By Defying Gravity, its clear that Elphaba is good, and the laws of Oz are evil.

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For now, she is the epitome of a bystander.
Despite all of the times Elphaba stood up for her sister, Nessarose fails to do the same.
For example, in Dancing Through Life, she cant watch as Elphaba seemingly embarrasses herself.

Galinda, on the other hand, joins Elphaba.
Boq (Ethan Slater)
Boqs wickedness is more obvious than Nessas inWicked, Part I.
He only dates Nessa because Galinda says he should.
His unrequited love for Galinda, which Nessa can see, drives him to break Nessas heart.
In fact, he is a fraud.
We also learn that he filled the vacuum of power accidentally.
He never intended to be evil and he does want to make people happy.
He treats her as less than, blaming her for his other daughters immobility.