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Best MR.HAPPY Alternatives
Here are some Firefox add-ons that are similar to MR.HAPPY:
Mr. Happy
clwebster1
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Happie
rebekahb
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HAPPY SMILE
pooch_slash
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Happyness2
Melimelo
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AreYouHappy
pinkmomonga
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hapy
Firefox user 13398876
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Die Happy .
mouka33
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StrawberryHappy
Lolotheawesome
- 0.00 (0) 
smilehappy
Firefox user 7036350
- 0.00 (0) 
APH-HAPPY HALLOWEEN!
Firefox user 12895277
- 0.00 (0) 
happy happy
nikigraus
- 0.00 (0) 
Simply Happy
leabitton92
- 0.00 (0)