Composite view of Titan built with Cassini images
The gravity on Titan is only 14% of that on Earth. Titan is the only known moon with a fully developed atmosphere that consists of more than just trace gases.
"It has also been suggested that a form of life may exist on the surface, using liquid methane as a medium instead of water; and anomalies in atmospheric composition have been reported which are consistent with the presence of such a life-form, but which could also be due to an exotic non-living chemistry" -Mckay, Chris (2010). "Have We Discovered Evidence For Life On Titan"
If you were on Titan, you could fly.