This trend has certainly covered all the major product categories...
(From top left, clockwise: Booties: Pleasantly Plump Knits; Onesie: BK Chic Boutique; Pacifier: Piquant Designs; Print: Sugar Fresh)
(From top left, clockwise: Print: ReStyle; Digital transfer on Pillow: Black & White Designs; Glass: Bread & Badger)
(From top left, clockwise: Straws: Sew and Such; Mustaches on a Stick: Loriii; Fake Mustaches: Amazon)
(From top left, clockwise: Necklace and Ring: Supermarket; Carstache: Urban Outfitters; Shirt: Red Brick Wall)
(From top left, clockwise: Note cards: Screw You, Martha!; Pencils: Crib Candy; Journal: Sass and Peril; Pen: Seltzer)
P.S. Jake is lucky he's not a baby anymore. I'd definitely be pushing one of those pacifiers on him!