Yoshi
He can chaingrab certains characters which include Meta Knight, Lucas, Squirtle, Ganondorf, Falco, and Sonic (not sure about the last two).
He has great air game, Nair is great for edgeguarding as you saw if you watched the video that K Dawg posted. His fair his a damage dealer on the ground but a spike in the air. His bair is very good for keeping enemys at bay, you can jump towards - bair - then DI back. His dair is a good edgeguarding move and a good damage dealer. His Uair can juggle and has KO potential.
His smashes come out very quick. Fsmash has alot of KO potential and comes out fast, hits them horizontally. His Usmash has alot of KO potential also and hits them vertically. Dsmash has wierd hitboxes and can KO
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He has good jabs and tilts.
His B move, well, i don't really know how to use it. Same with most of his B moves. I'll let K Dawg finish up on that bit.
He also has SAF in his second jump so its hard to gimp him whilst recovering.
I'm a jerk