The hero and his support rockers, Jorma Taccone and Akiva Schaffer, who co-directed and with Samberg co-wrote the script, are amiable, antic and tuneful.

It's not as funny as Spinal Tap (which film is?), but there are still a fistful of laugh-out-loud moments.

You probably need to spend more time than I do on sites such as TMZ to get all the jokes, but the film nails the oversharing banality of YouTube celebrity.

As sporadically pants-splittingly hilarious as it juvenile, dumb and occasionally uninspired, the Andy Sandberg-starring vehicle has as many ups and downs as the sine wave of Conner4Real’s career.