The Robinsons are the Wattersons' next-door neighbors. They are both blue-gray (excluding Rocky), with large Muppet style pink-purple noses, and are animated in CGI. Their species is unknown, though they strangely resemble Muppets, and seem to have a thin fuzz on their skin. However, their son Rocky is fully furry; this could mean they either shaved, or lost all their hair. They have a white car, which is sometimes parked in front of one of the Watterson cars. Gaylord and Margaret (as of "The Car") have both been arrested. Both Robinson parents hate the Wattersons, although the Wattersons (particularly Gumball and Darwin) seem to like them.
- They are similar to the Bigheads from Rocko's Modern Life.
- They all resemble Muppets.
- The Robinson's car always gets damaged in the episodes it appears in ("The Debt," "The End," and "The Goons.")
- Every time Mr. Robinson shouts at Gumball, he is seen floating 2cm above the ground.
- Unlike his parents, Rocky is a very happy and nice person who likes everybody, except Miss Simian, as said stated in "The Ape."
- They are a reference to Squidward Tentacles from Spongebob Squarepants because they have big noses, live next to the main characters, and the main characters constantly annoy them until they start screaming at them and the main characters are completely oblivios to the hatred from Squidward and Gaylord.
- "I didn't save your life! I just didn't run you over!" - Gaylord Robinson
- "Oh my gosh! You really did...save my life. BUT THAT DOESN'T EXCUSE YOU FROM RUINING MY PERFORMANCE!" - Gaylord Robinson
- "That's my dad. Rock on, dude!" - Rocky Robinson
- "MY CAR!" *small sob* - Gaylord Robinson
- "Meh Meh Meh Meh Meh Meh Meh! Meh!" - Margaret Robinson
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