agent
anonym
anonymity
anonymous
avatar
background
bandit
black
brigand
character
danger
dangerous
default
dubious
figure
graphics
hidden
icon
illustration
image
internet
man
nameless
obscure
person
personality
pic
pictogram
picture
predator
profile
risk
safety
secret
security
shady
sign
silhouette
stranger
symbol
threat
unknown
user
userpic
web
who