Aliens who have the power of underwater breathing.
All items (681)
L
M
N
O
- Octolord
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- Omni-Enhanced Big Chill (Blake)
- Omni-Enhanced Coffeeshark
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- Omni-Enhanced Grey Matter (Alan)
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- Omni-Enhanced Jetray (Alan)
- Omni-Enhanced Overflow (Earth-1010)
- Omni-Enhanced Ripjaws (Alan)
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- Ooze (Alpha)
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- Orishan
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- Overbite
- Overdrive
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- Overflow (Battle Ben-OH)
- Overflow (Earth-1010)
- Overflow (Earth-2018)
- Overflow (Earth-50)/Timeline 1
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- Overflow (Ken 10-OH)
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- Overflow (Neon 10)
- Overflow (Omnifusion)
- Overflow (Universe-7781)
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P
R
- Ra'ad (Universe-7781)
- Ramotep (Universe-7781)
- Rem
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- ReptiHunt
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- Ripjaws (AASC)
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- Ripjaws (B10 Reboot: AR)
- Ripjaws (Battle Ben-OH)
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- Ripjaws (Ben 10: Omniversal Force)
- Ripjaws (Ben 10K-OH)
- Ripjaws (Earth-1010)
- Ripjaws (Earth-2018)
- Ripjaws (Earth-32)/Dimension 1
- Ripjaws (Earth-45)
- Ripjaws (Earth-50)/Timeline 1
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- Ripjaws (Earth-68)
- Ripjaws (Earth-90)
- Ripjaws (Evfnye 10)
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- Ripjaws (Jon's Dimension)
- Ripjaws (Jon: Hero Force)
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- Ripjaws (Neon 10)
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- Ripjaws (Ominihero)
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- Ripjaws (Rob)
- Ripjaws (TNO)
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- Ripjaws - Piscciss Silurus (Universe-7781)
- Ripjaws - Piscciss Volann (Universe-7781)
- Riptide (Omnitrix Unleashed)
- Rynaxx Bexley
S
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- Sci Unondred
- Sea Foam (Nega Neon)
- Sea Snake (Pirate Neon)
- Sea Weed
- Seagross
- Seaquake (Earth-90)
- Seeweed
- Sektor and Vektor
- Shalene
- Shark Bite
- Shark Freak (Omnitrix Unleashed)
- Sharkbait
- Sharkbite
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- Sharkobyl (Ben 10K-OH)
- Sharktank
- Shellhead (Neon 10)
- Shockozoa (AL 12)
- Shocksjaws
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- Shyo (Universe-7781)
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- Skulldemon
- Skyshark
- Slapstrike (Ben 100)
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- Sludge Bog (Battle Ben-OH)
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- Snailephone
- Snailephone (ATMW)
- Snapclaw (Battle Ben-OH)
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- Snare-Hazard
- Snare-oh (Earth-50)/Timeline 1
- Snare-oh (Universe-7781)
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- Solara
- Solidude
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- Soul Burner (Albedo-OH)
- Spaceray (AL 12)
- Spiderstorm
- Spitter (Heroes Endeavour)
- Splashdown
- Splitboy
- Splixson (Rip)
- Splixy (Earth-123/Dimension 55)
- Squidstrictor (Battle Ben-OH)
- Squidstrictor (Ben 10K-OH)
- Squidstrictor (Curtis 10)
- Squidstrictor (Earth-32)/Dimension 1
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- Squidstrictor (Neon 10)
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- Squidstrictor (Universe-7781)