Gareth is in the middle of a date with Lollipop Girl and hypnotizing her into giving him all she owned. However, he is unsuccessful because Jake's call interrupts him.
He then part takes in robbing the bakers shard to rescue Jake's daughter. Gareth and the other then betray Jake make off with the bakers shard, and drive away in their van. They are soon caught by Jake then let go after he gets Jake Jr.
Gareth is yellow and wears a green-and-red striped tank top. He has black eyes and brown hair. His chiseled facial features and attractiveness may be a reason why he is also known as the Lady Master. He also bears slight resemblance to Ricardio.
- He was voiced by Sam Marin, who also voiced Pops, Muscle Man, and Benson on the TV series, Regular Show.
- Gareth also has the ability to put women under the "spell" of his face and hypnotize them into adoring him. This ability was not used during the break-in in "One Last Job," but only in the beginning when he was on a date with Lollipop Girl.
- Gareth was mentioned in "My Two Favorite People" as one of the manny contacts in his phone along with the Flying Lettuce Brothers and Tiffany Oiler.
|Adventure Time Villains|
The Lich | Uncle Gumbald | Ice King | Marceline Abadeer | Lumpy Space Princess | Gunter | Hunson Abadeer | Earl of Lemongrab | Flame Princess | Martin Mertens | Fern | Ricardio | Death | Marshall Lee | Ice Queen | Patience St Pim | Dr. Gross | Shoko | Magic Man | Betty Grof | AMO | Vampire King | The Fool | The Empress | The Hierophant | The Moon | Ash | Flame King | Fire Count | Don Jon | Fire Kingdom | The Guardian | Gareth | Flying Lettuce Brothers | Tiffany Oiler | Guardians of Sunshine | Ooze Monsters | Fear Feaster | Kee-Oth | Darren the Ancient Sleeper | Goliad | Blargetha | Demon Cat | Guardian Angel | Wendy, Booboo & Georgy | Stag | Scorcher | Jaybird | Smudge | Princess Cookie | Tree Witch | Xergiok | Me-Mow | Alpha Hug Wolf | Evil Monster | Donny | The Glitch | Grassy Wizard | Fight King | Furnace | Torcho | Gnome Ruler | Sir Slicer | King Worm | Blanket Dragon | Little Dude | Cute King | Why-Wolves | The Hooligans Who Love Candles