You're right. Fatso (no comment), Fusso and Lazo were their names.
I knew I couldn't be the only one that knew that. I hope the smarta$$ reads this.
(and I hope you didn't google it or I'm not impressed).

Now, which other regular character reminds you of me? You named most of them....and I know it ain't Richie Rich or Stumbo the giant.
???????
MP

...or perhaps you meant Aquaman? (he's fought off a squid or two in his time)