Grim Grinning Gargoyle! is an attack that serves as Shirtman's Level 1 Smack Attack in Toshiko Smackdown. A Gargoyle appears in midair in front of him and he jumps up and grabs onto it, sending it falling to the ground killing anyone the shockwave hits.
| Smack Attacks | |
|---|---|
| Allen Stark | Steam Cannon | Tesla Burst | Gyrokinetic Mech |
| Anomaly-097 | A Minor Leak | Necessary Measures | Harbinger |
| Bio-Man | Stealth Approach | Falcon Bomb | Vengeance |
| Blossom | Fine Farewell | Magic Man | Shooting Stars |
| Color-Robo | Red Rush | Form Magenta | Colossal |
| Fidlak Jatede | Yan'di Blast | Wand Swap | Greater Pyroticoti |
| Frogrump | Flame Belch | Crockin' Out | Spinferno |
| Frostbite | Freezing Blast | Ice Spikes | Absolute Zero |
| Gabe Landis | Lion's Den | Threnody Steps In | Werewolf Mode |
| Goop | Hack Attack | Feeding Time | Beast Goop |
| Jack and Spooks | The Bell Tolls | Getting A-Head | Rune of Doom |
| King Grex | Musicmeister | Minion March | Muscle Grex |
| Lee Hatake | Chaotic Spirit | Bring the Rain | Soul Embrace |
| Shirtman | Grim Grinning Gargoyle! | Bad Company! | Overpowered Man! |
| Skitter | Aww Nuts! | Special Delivery | Nice Kitty |
| Spiffy | Dance Party | Balloon Burst | Party-Bot |
| Survivor | | | |
| Tawnya | Explosive Arrow | Temple Trap | Mother Nature |
| T.E.D. | Abduction | Meteor Slam | Master of Ceremonies |
| Whalor | Breached Whale | Ships Ahoy! | Briny Deep |
| Zookeeper Zane | Broom Fu | Animal Purchased! | Caged In |
| Zoom | Back-Up | Boom Run | Zoom Zoom Zoom |