Denkyumin resembles a Lime light-bulb with a green head, an orange face and a yellow-ish bottom. He also has chartreuse markings.
For his Bugmin ego, see: Bug-Denkyumin
As a Bugmin, he most often frowns with his teeth and toungue showing.
Denkyumin is a clever and bold Promin.
- Yuto (current owner)
- Gauzemin, Eishamin, Freezemin and Jaguchimin (friends)
- Liftmin (the troubled one, now friends and the Promin Denkyumin teamed up with when confronting Bug-Heartmin)
- Kagimin, Dorirumin, Burgemin, Gakkimin, Sharimin, Zuzumin, Jishomin and Chakkamin (the Promins Denkyumin was kidnapped along with by Bug-Liftmin)
In the series
Denkyumin makes his cameo debut as a Bugmin in the beginning of episode 1.
Denkyumin's major role debut is in episode 3 as one of the 5 Bugmins, along with Bug-Gauzemin, Bug-Jaguchimin, Bug-Freezemin and Bug-Eishamin, encountered by Wanda. Bug-Denkyumin is the first one of the 5 Bugmins to be captured and debugged by Yuto.
In episode 9, Denkyumin was kidnapped by Bug-Liftmin. In episode 10, he was rebugged and was then battling Hasamin. Later, Bug-Denkyumin was recaptured and debugged by Yuto who also captured and debugged Bug-Liftmin.
Denkyumin makes a cameo appearance in episode 13 when he wakes up and lights up when the night falls and then goes back to sleep when the day comes.
- Denkyumin resembles a light-bulb.