
Um Sang-hyun
Volt (voice)
Total episodes: 238
Volt (voice)
Total episodes: 238
Sammy (voice)
Total episodes: 238
Max (voice)
Total episodes: 238
Lucy (voice)
Total episodes: 238
Chen (voice)
Total episodes: 238
Total episodes: 212
Release Date
September 3, 2014Last air Date
May 21, 2024Status
Returning SeriesOriginal Language
KoreanNetworks
Available On
Aired on: 2023 | 26 Episodes