This YouTube channel uses sound effects from Hanna-Barbera, Series 4000, Series 6000, Warner Bros., Cartoon Trax Volume 1, and The Premiere Edition Volume 1. Sometimes, the sound effects are played in different pitches in many of the videos.
- Auvidis Tempo, Cris D'Un Bébé (Heard once in "Running Gags in Oggy" and often in "Oggy's Cries (Why did I do this?!)".)
- Censor Bleep
- Cuica 01 (Heard in "Move Around".)
- Freesound, Calculating.wav (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Freesound, Squeaky Toy 1 (Heard twice in "Doggy!".)
- Freesound, Water drop 1.wav (Heard once in "My Singing Monsters - Water Island (MrKoolTrix Remix)".)
- H-B BING, CARTOON - VOCAL BING (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Hollywoodedge, Bird Duck Quacks Clos PE020501 (Heard quadrice in various pitches in "(YTP) Touch, Touch!".)
- Hollywoodedge, Bird Rooster 2 Crow PE021501 (Heard once in "Chicken Dance (MrKoolTrix Remix)".)
- Hollywoodedge, Bubble Pop CRT049201 (Heard twice in "Rad Roo".)
- Hollywoodedge, Cat Domestic Meow Ang AT010603 (Heard once in "Running Gags in Oggy".)
- Hollywoodedge, Cat Meows Close Persp PE022501 (Heard twice in "(GD) Mewling Felines by MrKoolTrix (me)".)
- Hollywoodedge, Chimpanzee Screeche PE026201 (Heard once in "Just Being Zany".)
- Hollywoodedge, Dolphin Chirps Vocal PE024601 (Heard twice in "Just Being Zany".)
- Hollywoodedge, Elephant Trumpeting PE024801 (Heard once in a high pitch in "(YTP) Touch, Touch!".)
- Hollywoodedge, Fart 4 Very Short High PE139201 (Heard once in "MiniMemes: Vol. 1".)
- Hollywoodedge, Goat Baas Close Persp PE025101 (Heard once in "Loompaskettee - Mastapeece (MrKoolTrix Flip)".)
- Hollywoodedge, Lg Metal Wheel Creak CRT053701 (Heard once in "(GD) Swishy by MrKoolTrix (me) [Viprin MCC 1 Entry]".)
- Hollywoodedge, Night Ambience Light PE011701 (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Hollywoodedge, Punch Face Hit 1 Sharp PE100101 (Heard once in "Ray Volpe - Battle of the Bros (MrKoolTrix Remix)".)
- Hollywoodedge, Single Large Bubble CRT056304 (Heard once in "(GD) Swishy by MrKoolTrix (me) [Viprin MCC 1 Entry]".)
- Hollywoodedge, Slip Fall Whorn Cymbal CRT058102 (Heard once in "Sak Noel & Salvi Ft. Sean Paul - Trumpets (MrKoolTrix Remix)".)
- Hollywoodedge, Twangy Boingohyoyo CRT016203 (Heard once in "Oggy's Cries (Why did I do this?!)".)
- Hollywoodedge, Vocal Boinkie Eye Po CRT030101 (Heard once in "MiniMemes: Vol. 1".)
- Metal Gear Solid Exclamation Point (Heard once in "MiniMemes: Vol. 1".)
- Microsoft Windows 3.1 Ta-Da Sound (Heard once in "Magic Trix 🎩🪄".)
- Pac-Man Death Sound (Heard once in "(GD) Les' Go! Series by Unzor".)
- SMB Coin Sound (Heard once in "Fuzzy Land".)
- SMB Jump Sound (Heard once in "MiniMemes: Vol. 1".)
- Sound Ideas, BITE, CARTOON - BIG CHOMP (Heard once in "MiniMemes: Vol. 1".)
- Sound Ideas, BLINK, CARTOON - XYLO EYE BLINKS (Heard quadrice in "REAL! 😱 (Supersquad EP Preview)".)
- Sound Ideas, BORK, CARTOON - LOW BORK (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, CARTOON, BELL - COWBELL, LOW, SINGLE HIT (Heard in "Happy Jive".)
- Sound Ideas, CARTOON, BOING - JEW'S HARP BOING, SHORT 01 (Heard often in "Immersion".)
- Sound Ideas, CARTOON, BOING - POING 03 (Heard once in a high pitch in "Supersquad".)
- Sound Ideas, CARTOON, BOING - SPACE BOING, LOW 01 (Heard once in "Ruff Beats!".)
- Sound Ideas, CARTOON, BONK - HOLLOW WOOD BONK 01 (Heard often in "Strike-A-Note!".)
- Sound Ideas, CARTOON, DIT - SMALL SMACK 02 (Heard often in "Immersion".)
- Sound Ideas, CARTOON, GONG - SHORT HIT WITH SMALL GONG, MUSIC, PERCUSSION, CRASH (Heard once in "(GD) Ahippinandahoppin by WerewolfGD".)
- Sound Ideas, CARTOON, HORN - PARTY HORN, TWO TOOTS 01 (Heard once in a high pitch in "I Remade 'Opal' by @Sharks For A Contest".)
- Sound Ideas, CARTOON, POP - LARGE CORK POP 01 (Heard once in "(YTP) Pato is Very Groovy".)
- Sound Ideas, CARTOON, POP - LARGE CORK POP 02 (Heard in several videos, including "Galaxy Forest" and "Jumble".)
- Sound Ideas, CARTOON, POP - SMALL POP 01 (Heard quadrice in "Jump For It!".)
- Sound Ideas, CARTOON, SQUEAK - RESIN SQUEAK, STRETCH 02 (Heard once in "Running Gags in Oggy".)
- Sound Ideas, CARTOON, TWANG - RICOCHET TWANG 01 (Heard twice in a low volume in "Enjoy the Season".)
- Sound Ideas, CARTOON, WHISTLE - FALL WHISTLE, LONG (Heard once in "(Minecraft) Hypixel: Wholesome Duels! [with Lupis/REALTRG] [1/5]".)
- Sound Ideas, CARTOON, WHISTLE - FAST ZING WHISTLE, ZIP (Heard once in a fast speed in "Running Gags in Oggy".)
- Sound Ideas, CARTOON, WHISTLE - SIREN WHISTLE (Heard twice in "Fur-Rocious!".)
- Sound Ideas, CARTOON, WHISTLE - SLIDE WHISTLE: SEVERAL QUICK ZIPS UP 02 (Heard once in "Running Gags in Oggy".)
- Sound Ideas, CARTOON, WHIZZ - WHOOSH (Heard once in a high pitch in "(Minecraft) Hypixel: Bedwar Doubles! [with Lupis/RealTRG] [4/5]".)
- Sound Ideas, CARTOON, ZIP - HIGH 01 (Heard once in a high pitch in "(GD) 3 Fun Levels! - Decent, Flares, & Printwolf".)
- Sound Ideas, CARTOON, ZIP - MEDIUM 03 (Heard once in "Flow O' Surge" and "(GD) Refresh by Echonox (3 coins)".)
- Sound Ideas, CARTOON, ZIP - MEDIUM 05 (Heard once in "Immersion" and quadrice in "Sheepish".)
- Sound Ideas, CRASH, AUTO - AUTO APPROACH, SKID AND CRASH, CARTOON (Skid only; heard once in "Pocoyo Is Dreaming About A Pony Dream (YTP)".)
- Sound Ideas, FART - LARGE FART, HUMAN 05
- Sound Ideas, HEAD SHAKE, CARTOON - XYLO HEAD SHAKE (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, HIT, CARTOON - BIG HEAD BONK (Heard once in "Running Gags in Oggy" along with HIT, CARTOON - KABLAM.)
- Sound Ideas, HIT, CARTOON - BRAKE DRUM AND BULB HORN HIT (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, HIT, CARTOON - COCONUT HIT 01 (Heard once in a high pitch in "Wack Attack!" and in a normal pitch in "(Minecraft) Hypixel: Bedwar Doubles! [with Lupis/RealTRG] [4/5]", "MiniMemes: Vol. 1" and "I Remade 'Opal' by @Sharks For A Contest".)
- Sound Ideas, HIT, CARTOON - KABLAM (Heard once in "Running Gags in Oggy" along with HIT, CARTOON - BIG HEAD BONK.)
- Sound Ideas, HIT, CARTOON - TEMPLE BLOCK KONK 01 (Heard once in "(Minecraft): Hypixel: Team Build Battle! [with Lupis/RealTRG] [2/5]".)
- Sound Ideas, HORN, CARTOON - OLD BULB HORN (Heard once in "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, HORN, PARTY - THREE BLOWS, NOISEMAKER (3rd blow; heard once in "(YTP) Touch, Touch!".)
- Sound Ideas, MOTOR, CARTOON - JETSONS LIP MOTOR (Heard once in "Oggy's Cries (Why did I do this?!)".)
- Sound Ideas, PICK, CARTOON - FIDDLE PICK AND RISE, HIGH 01 (Heard once in "Confuzzled... Again!". In this video, it was heard when "!?" appears on a black screen.)
- Sound Ideas, PLINK, CARTOON - SOUR PLINK (Heard once in "Chicken Dance (MrKoolTrix Remix)".)
- Sound Ideas, POP, CARTOON - HOYT'S POP (Heard once in "Verplex".)
- Sound Ideas, RICOCHET - CARTOON RICCO 01 (Heard thrice in "Wack Attack!" and twice in "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, RICOCHET - CARTOON RICCO 05 (Heard once in "Running Gags in Oggy".)
- Sound Ideas, RUN, CARTOON - TEMPLE BLOCK RIOT, SHORT/MEDIUM/LONG (Heard once in "MrKoolTrix - 2022 ID Showcase" and "I Remade 'Opal' by @Sharks For A Contest".)
- Sound Ideas, SPURT, CARTOON - OIL SPURT 01 (Heard twice in "MiniMemes: Vol. 1".)
- Sound Ideas, SQUEAK, CARTOON - FUNNY LITTLE SQUEAK (Heard once in "Running Gags in Oggy".)
- Sound Ideas, SQUEAK, CARTOON - LITTLE BROKEN SQUEAK UP (Heard once in "Pocoyo Is Dreaming About A Pony Dream (YTP)".)
- Sound Ideas, SQUEAK, CARTOON - SINGLE RUB SQUEAK 02 (Heard thrice in "Running Gags in Oggy".)
- Sound Ideas, SQUEAK, GLASS - QUICK GLASS RUB SQUEAK, CARTOON 01 (Heard once in "(YTP) Henry Steps It Up".)
- Sound Ideas, SQUEAK, METAL - METAL THREAD: TURNING (Heard once in "MrKoolTrix - Supersquad EP (TEASER)" and "REAL! 😱 (Supersquad EP Preview)", and quadrice in "Go Beyond".)
- Sound Ideas, STEREO, TURNTABLE - NEEDLE SCRATCHING RECORD, RECORD PLAYER 02 (Heard once in a high pitch in "(GD) IDEALIFE [Megacollab hosted by DaFinn!]" and in a normal pitch in "MiniMemes: Vol. 1" and "Hala Mahulog (MrKoolTrix's "Future Budotstep" Remix)".)
- Sound Ideas, STEREO, TURNTABLE - NEEDLE SCRATCHING RECORD, RECORD PLAYER 03 (Heard once in "(Sound Design Magic) Remixing JFET Speaks!".)
- Sound Ideas, SWISH, CARTOON - SHARP SWISH (A sped up variant is heard once in "Running Gags in Oggy".)
- Sound Ideas, SWISH, CARTOON - SINGLE SWISH (Heard once in "Running Gags in Oggy".)
- Sound Ideas, SWOOSH, CARTOON - BIG SWOOSH 01 (Heard once in "Running Gags in Oggy".)
- Sound Ideas, TEETH, CARTOON - SCOOBY'S TEETH CHATTER, LONG/SHORT (Heard once in "Running Gags in Oggy" and "Go Beyond".)
- Sound Ideas, TELEVISION, CARTOON - T. V. TUBE OFF (Heard once in "Were-In'".)
- Sound Ideas, TWANG, CARTOON - METALLIC RULER VIBRATE (Heard once in "(YTP) Touch, Touch!".)
- Sound Ideas, TWANG, CARTOON - SAW BLADE TWANG 03 (Heard once in "Running Gags in Oggy" and "Oggy's Cries (Why did I do this?!)".)
- Sound Ideas, WHINE, CARTOON - SHELL SCREAMING WHINE DOWN (Heard once in "Running Gags in Oggy".)
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING OUT (Heard once in "MiniMemes: Vol. 1" and "MrKoolTrix - 2022 ID Showcase".)
- Sound Ideas, ZIP, CARTOON - FIJIT REWIND 02 (A sped up variant is heard once in "Running Gags in Oggy".)
- Sound Ideas, ZIP, CARTOON - QUICK WHISTLE ZIP OUT (Heard once in "Just Being Zany".)
- Sound Ideas, ZIP, CARTOON - SHARP ZIP (Heard quadrice in "Warpzone".)
- Wilhelm Scream (4th scream; heard once in "MiniMemes: Vol. 1".)