Some of the characters on the show, including Muno and Brobee, are modified versions of villains that used to battle The Aquabats during their live concerts. Muno was Cyclopsis and Brobee was Weedy the Broccoli Bee. One of the show's creators, Christian Jacobs, is the front man for The Aquabats (MC Bat Commander). He is also the voice of Plex.
Adam Deibert, who voices Muno, used to play with co-creator Christian Jacobs in The Aquabats under the name Prince Adam. The Aquabats still perform, but Adam left in October of 2004.
This show makes an appearance in the MCU on the marvel television series: WandaVision . The titular character, Wanda Maximoff, see this show playing on her neighbor's television screen in the 7th episode "Breaking the fourth wall". That episode is a homage to popular television shows of the 2000's and 2010's.
the Person who plays Brobee and Plex in the UK dub, Justin Fletcher, has played Mr. Tumble and starred in Justin's House.
The Theme Song sounds suspiciously like the intro music from another physical kids show, "Zoom" (1997)