Ralph Dibny/Elongated Man (Arrowverse/DC Comics)
Jake The Dog (Adventure Time)
Anaconda (Avengers Earth's Mightiest Heroes)
Priscilla (Claymore) extending her fingers...
Clayface (DC Comics/Batman: The Animated Series)
Piccolo (Dragon Ball) performing the Mystic Attack technique.
Omega Shenron (Dragon Ball GT) stretches the spikes on his back to impale and electrocute Vegeta.
Frieza (Dragon Ball Z) stretches his tail to attack Gohan, Vegeta, and Krillin.
Chilled (Dragon Ball: Episode of Bardock) stretches his tail.
Cell (Dragon Ball) extends his retracted tail.
Franmalth (Fairy Tail) can extend his limbs to attack his enemies.
Elasticgirl/Helen Parr (The Increbiles)
Star Platinum (JoJo's Bizarre Adventure Part III Stardust Crusaders) using its Star Finger.
With his mastery
, Bruno Bucciarati's Stand Zipper Man/Sticky Fingers
(JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo) can detach its arm for increased range
Riptor's (Killer Instinct) tail can stretch into a segmented whip.
Paw Pooch (Krypto the Superdog)
The Ghost ÄRM, Ogre Hand turns Chimera’s (Marchen Awakens Romance) hands into long, clawed arms that can stretch long distances.
Super-Skrull (Marvel Comics)
Mona (Mo & Jo Fighting together forever) is able stretch her arms
Cathy (Monster Buster Club)
Thanks to power of the Gum Gum Fruit/Gomu Gomu no Mi, Monkey D. Luffy (One Piece) can stretch his arm...
...and neck to far reaching lengths.
Bellamy (One Piece) using his Spring Death Knock, an attack similar to Luffy's Gomu Gomu no Pistol.
Similar to the Gum Gum Fruit/Gomu Gomu no Mi's function, Charlotte Katakuri (One Piece) can extend his limbs by turning them into mochi.
Thanks to Migi, Shinichi Izumi (Parasyte) can stretch his right arm to great lengths.
Mister Shifter (Sonic the Comic) stretches his limbs.
A jellyfish at Bluefin Depot (Splatoon) stretching one of its tentacles into the water.
Jelonzo (Splatoon) can also extend his tentacles.
Momon (Zatch Bell!) uses the spell Amuron to stretch his arms a great distance.
Monsoon Sandals (Xiaolin Showdown)
Jonathan Rook/Stretch Monster (Stretch Armstrong and the Flex Fighters)
James Heller (Prototype 2)
Freddy Krueger (A Nightmare on Elm Street)
Avery Mann/Everyman (The Simpsons)
Rita Farr/Elasti-Woman (DC Comics)
Reed Richards/Mister Fantastic (Marvel Comics)
Jake Armstrong/Stretch (Stretch Armstrong and the Flex Fighters)
Dynomutt (Dynomutt, Dog Wonder)
Bart Simpson/Stretch Dude (Simpsons' TreeHouse of Horrors X)