They're made by Alegria.
MSN's logo is a butterfly.
A square logo
MICROSOFT
Microsoft
Australian fashion designer, Justine Guyot, uses a butterfly logo on design labels. The label, The Shanti Butterfly, was founded in 2002.
SED
Msn
je sais pas
The shoe company Crocs has a crocodile as a logo. Lacoste has a crocodile logo as well.
goodyear
I'm pretty sure it is Aeropostale that uses the butterfly logo...but I'm not so sure any designer uses it. :-)
It well die