Psychedelia lives!
"The Whizzers from Ozz" is a strip that ran in The Topper from 1966, drawn by Paddy Brennan. It features an Eathling lad named Willie Walker who is friends with a pair of alien kids named Krik and Krak. Hailing from the planet Ozz, the aliens look like normal humans, aside from their orange spacesuits and Henry V haircuts. The three young'uns have fun together in a small spaceship.