But my hand slipped so

So my grandma had a marker that was supposed to turn other markers back to white, so tried to do highlights with it and it tUrned GREEN WHAT and that's why he has green in his hair

Also on an unrelated note, my 45 y/o mom and my 23 y/o cousin (who's a schoolteacher) are binging Gravity Falls downstairs and I don't know how to feel about this