Billy Whizz is a long-running children's comic strip series surrounding the titular character and printed in The Beano. As with the majority of series published in the magazine, it is set in the magazine-wide setting of Beanotown.
Crossover[]

Billy Whizz' cameo appearance in Dennis meets Jonathan Ross [+]BeanoMAX comic stories (DC Thomson, 2007)..
The series briefly crossed over with the Doctor Who universe in the first issue of BeanoMAX, a Comic Relief special.
One of the comics within the issue, the two-parter "Dennis meets Jonathan Ross [+]BeanoMAX comic stories (DC Thomson, 2007).", features a single-panel cameo appearance by Billy Whizz running in the background behind Jonathan Ross during the first part of the comic, while the second part featured direct reference to the Dalek seen in The Invasion of Bash Street [+]Alan Digby, BeanoMAX comic stories (DC Thomson, 2007)..
References to Billy Whizz in the Doctor Who universe[]

Billy Whizz, among others, in The Rings of Akhaten [+]Neil Cross, Doctor Who series 7 (BBC One, 2013)..
Billy Whizz can be seen on the back cover of The Beano Summer Special 1981 in The Rings of Akhaten [+]Neil Cross, Doctor Who series 7 (BBC One, 2013). and The Universe is Calling [+]Doctor Who Series 11 teaser (BBC One, 2018)..
References to the Doctor Who universe in Billy Whizz[]

The cover of The Beano #3695.
Some of Billy Whizz' appearances in other Beano strips have occurred alongside references to the Doctor Who universe. Billy Whizz was featured on the cover art of The Beano #3695, an anniversary issue, which depicted a single scene also involving a Dalek.

Billy Whizz, among others, in a Bananaman strip parodying the Daleks.
He was later among the Beano characters who made a cameo appearance in the Bananaman strip published in The Beano #3869, which had various characters be arrested by Dalek-like post boxes. Although his capture was not seen, his presence in the prison heavily suggested that he was captured by them.
Other connections[]
To be added