User blog comment:SwagMaster12345/Jeffy can teleport?/@comment-32770744-20171001175015/@comment-34134665-20171001175402

Nah, Jeffy can't possibly be faster than the Flash. He's shown to run as fast as a normal human in videos such as Jeffy's Parents! and Jeffy's Bathtime!, in which Jeffy was trying to run as fast as he can. However, I do believe he can teleport, since Jeffy lured people out of the house in videos such as Locked Out! and Happy Merry Christmas!, but suddenly found his way back into the house without them noticing.