Behold the first issue of Secret Squirrel, from October 1966, which as far as I know was the only issue. Probably because the animated Hanna-Barbera series it was based on only lasted a season.
Like with most TV tie-ins from Gold Key, the artists are not credited.
Parkour Chump Fails Stunt While Filming - Just in case you needed some motivation to NOT go jumping off tall and sketchy metal poles.
40 minutes ago