[ComicMike]

Lynn Karp's drawing style is somewhat reminiscent of Ken Hultgren, I think. (page 31)

Link to the book: Ha Ha Comics 37

[Robb_K]

Lynn Karp's drawing style is somewhat reminiscent of Ken Hultgren, I think. (page 31)

Link to the book: Ha Ha Comics 37 

That's not surprising, as they both learned their trade at Disney Animation during the late 1930s.  Many people don't realise that working at The Disney studio during 1934-1940 provided workers with much better, and often more training than art schools, at that time.  They had hundreds of hours of drawing animals at the zoo, or watching film or rotoscopes of them, and drawing quick sketches of them in action.  Gil Turner, Jack Bradbury, Preston Blair, Al Taliaferro, Al Hubbard, and so many more of The Sangor Studio shared that Disney style.

[ComicMike]

They had hundreds of hours of drawing animals at the zoo, or watching film or rotoscopes of them, and drawing quick sketches of them in action.

This is how good artists can become even better. When the artists are working together in a studio, I can imagine, that the drawing styles - regardless of their individuality - will be somewhat similar.

There is an interesting article on the topic of 'rotoscoping' on Wikipedia.

https://en.wikipedia.org/wiki/Rotoscoping