Steal something
Purlion
Wicked or criminal
Nefarious
Fluent, soluble but sincere and shallow
glib
Fictious name, especially used by a author
Pseudonym
Looking or sounding sad or dismal
Lugubrious
Demonstrated aggression and willing to fight
Bellicose
Publicly criticize by using ridicule
irony or sacrum
Lampoon
A long-standing rival or arch enemy
Nemesis
Lacking in originality as to be obvious and boring
Banal