Howard The Duck Pictures

This is a little a stupid question but I was bored and surfing at random Internet when I found a picture of duck of howard and it recalled attributes me Duck of Donald. Does does not import that thinks about other is then, this just a coincidence or this an intentional copy. Just at random to ask! sees the pictures to the under
Howard Duck: http://goodcomics.comicbookresources.com...
Donald Duck:http://blog.allanellenberger.com/wp-cont...

Hmm they resemble themselves. Were maybe they same brood?
I mean that they have the last same name and all. ... The source (the sources) : >_< not sure haha

The source (the sources) : >_< not sure haha