Shannon is an Irish-accented member of the Sea Team. Like Ginger, he too fights for worthy causes, as his brother is a prisoner of the Drule Empire, on Planet Doom. He pilots the Multi-Wheeled Explorer that becomes the right lower leg of Vehicle Voltron.
Voltron: Defender of the Universe cartoon continuity
Vehicle Force sub-series
Devil's Due Publishing comics continuity
Shannon was one of several people chosen to pilot the machine named "V-15" by Galaxy Garrison, he and his team were first deployed after the original Voltron to recapture it until he received new orders to support Voltron.