triple syllables, six letters, DOUBLE WHAMMY BABY, who am i?

poor grub karkat

TiagoAngelelli

Problem Sleuth.

i am problem solf i come to sooth your probs

Unfinished treadmills

A bike and some weird gray duck

Blindfolded duck quacking at a tiny bicycle. Or perhaps it's a normal sized bicycle, and a giant duck? Whatever.