That's fun to play around with. One thing that could make it better: Use a text marker (say, the pipe symbol '|') to allow indicating the appropriate split point for the text. There's many non-four-word examples that don't split particularly well as it stands.
Author here. Some fun things to do with this tool:
Extend the syllable pattern in the comic: http://glench.com/tmnt/#super_duper_pooper_scooper
Mess with other corporate slogans: http://glench.com/tmnt/#I'm_lovin'_it_McDonald's http://glench.com/tmnt/#just_do_it_nike
Terrible historic speeches: http://glench.com/tmnt/#I_have_a_dream http://glench.com/tmnt/#four_score_and_seven_years_ago