Murrissey the Smeevil
From Dota 2 Wiki
|Murrissey the Smeevil|
It is rare to find a smeevil far from the warmth of the forge to which it's bound, for they thrive on the affectionate cuffings and curses of their sworn smith. But the lure of a free tortoiceros ride compelled the smeevil Murrissey to break every oath...
When upgraded, the courier transforms from a tortoise into a flying turtle. It also has a unique effect—aqua traces from the tortoise's feet and turtle's flippers.