These characters are or have been portrayed by actors outside the main & recurring cast.
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All items (300)
B
- Baby oyster
- Barnacle Boy
- Beanie McBean
- Beatrice
- Victoria Beckham
- Billy (Pickles)
- Black
- BlackJack (character)
- Boat salesman shark
- Bob Barnacle
- Bobby Babbington
- British gentleman
- Bubble Buddy (character)
- Bubbles (character)
- Buddies (Bubble Buddy)
- Bunny's tattoos
- Burger Beard
- Bus driver (Squidward's School for Grown-Ups)
C
D
E
F
G
- Gary the Snail
- Gene Scallop
- George
- Ricky Gervais
- Giant man
- Gill Hammerstein
- Glovey Glove
- John Goodman
- Goofy Goober
- Goofy Manager
- Goofy Scoopers (band)
- Gordon
- Gorilla
- Gorilla boss
- Gilbert Gottfried
- Grand Dad Plankton
- Grandma
- Grandma SquarePants
- Granny Cheeks
- Granny Plankton
- Jack Griffo
- Rob Gronkowski
- Grubby Grouper
- Guru
- Guru Greasetrap
I
- Ice Cream King
- Incidental 103
- Incidental 104
- Incidental 106
- Incidental 11
- Incidental 115
- Incidental 118
- Incidental 118C
- Incidental 14
- Incidental 150
- Incidental 151
- Incidental 152
- Incidental 153
- Incidental 159
- Incidental 167
- Incidental 23
- Incidental 27
- Incidental 30
- Incidental 41
- Incidental 42 (Scaredy Pants)
- Incidental 43
- Incidental 44
- Incidental 46
- Incidental 49
- Incidental 64
- Incidental 67
- Incidental 7
- Incidental 82
- Incidental 85
- Incidental 92
- Incidental 93
- Incidental F9
- Inga Star
- Inga-Tron
- Isopod (SpongeBob SquarePants)
J
K