They did exist, but were a local gang more than a Everton only gang , based around the walton rd ,county road area there were lots of different gangs a out at the time in the area of which they were one.
Think half the time the same people were under a different banner every few weeks,walton mafia, Levo, Dely mob, ect. Till a new name popped up and allegiances and allies changed.
I was only a kit at the time but there was graffiti a d one or two names of older infamous lads who people said were in it
She was right about the Millwall incident as one of the reported members was seen stabbing at least two in the st end at the time, anybody that was there will recall the fella on the boys pen cage getting stabbed repeatedly, that was one of them.
As was a Rangers fan hit with a hatchet down one of the side streets by Goodison after the tommy Wright testimonial, luckily for him it hit his shoulder.
The walton road ,county road area ways had big numbers at the Everton game .