color hag
Color Hag: Secretly malevolent member of online color communities with followers who are blind to their true intent. Befriends unsuspecting persons with influence to gain power. Feels threatened and is jealous of the success of others. Destroys relationships and creates a hostile environment. Enjoys making others appear foolish in group settings, while appearing to be "just trying to help.
"The comment made in the online group by the color hag was mean spirited, although she feigned innocence."