Henry J, Waleczko (born November 28, 1965) is an American voiceover artist.
Some of his first television gigs were as voiceover of Nickelodeon game shows. First, he was voiceover of Think Fast and later Get the Picture, Figure It Out, Keep It Spotless and Nickelodeon's Unfiltered. This voice-over gig gave Mike O'Malley the credential to the voiceover the burying of the Time Capsule at Nickelodeon Studios in Orlando, Florida, in April 1992.