It is a live-action giraffe who is brown and tan yellow.
Role in series
"Krusty Krab Training Video"
When the training video's narrator starts talking about a graph to SpongeBob, the video accidentally shows a picture of the giraffe in a field instead of the graph. This makes the narrator clear his throat and emphasize the word "graph," causing the giraffe to be replaced by a graph.
"Who R Zoo?"
An animated sea giraffe is one of the many animals shown at the Bikini Bottom Zoo. It later breaks out of its cage along with the rest of the zoo animals to attack the Bubble Zoo animals.