Mighty Mo is Bigg City Port's largest floating crane, well known for his booming voice.
Mighty Mo is used for many salvage operations, in which he usually takes charge. Once, his hawser jammed whilst lifting Boomer out of the water. He also helped the rescue operation to save Lillie Lightship.
- Pirate (cameo)
- Munitions (mentioned)
- High Tide (cameo)
- Ghosts (cameo)
- Mighty Mo is the only character to have two megaphones (rather than one) in the series, which could explain about his booming voice.