Mako is a sea crab with blue skin and shiny light cyan shell looking like crystal shaped or whatever, he is a frenemy of the heroes and he likes to bully landcrabs and flirt with ramona, at the end everything has been changed and a good ending, leaving mako with one hand after the fight with bobby wich it was mako's fault then and mako had to apologise to bobby by giving him a new shell as a apology by his grandma.