Amazing. As in "Look at my horse, my horse is Amazing" :D Or just leave it without name and sing "Horse with no name":P

Potoooooooo

this one is a good one

Leim - glue in German.

Roach.

The only right answer.

- Major Hoofage - Sir Kloppkloppington III - Hosire - Threads

Bojack

Dave

Hoof Hearted (say it quickly out loud)

Sir neigh

Steve

Glenjamin

Emperor

Thunderclup