1967 Special/GS fender bashed at the front. Can this be knocked out with minimal filler? And who is "Woodpecker"? lol
Oh, heck yeah! That one is easy compared to some things that look like a wadded up ball of aluminum foil and have been repaired. It looks almost NOS.
hammer it out! bring the metal back as close to original as you can, then filler. you never know, you may not even need filler
To answer your second question. https://dickinsoncountyconservationboard.com/2018/10/10/nine-fun-facts-about-woodpeckers/
I have done that to many adjusters. I love the plastic bumper cave in. Adjuster) a little heat and that will pop right out. Me) here's my heat gun show me how I had been a heavy collision tech longer than he had been alive