what is a wyvern
The Wyvern, or Green Dragon. A wyvern (/ËwaÉªvÉrn/ WEYE-vÉrn), sometimes spelled wivern, is a legendary winged creature with a dragon 's head and wings; a reptilian body; two legs; and a tail.he wyvern is also a fairly popular commercial logo or mascot, especially in Wales and what was once the West Country Kingdom of Wessex, but also farther afield in Herefordshire and Worcestershire, as the rivers Wye and Severn run through Hereford and Worcester respectively.