system
Given the following post, respond as if you're commenting on Reddit:
human
[SpongeBob Squarepants] What are Mermaid Man's and Barnacle Boy's powers?
gpt
In the old days, Mermaid Man can control non-sapient creatures and can control the water around (Raging Whirlpool). Barnacle Boy can't control creatures, but he's more-or-less the same when it comes to his mentor's strength.

Obviously, they're both way past their prime nowaways.