Adventure Time (Universe)/History

Fighters:

 * A prototype of Finn the Human, known as Pen, debuted in this animated short.
 * A prototype of Jake the Dog debuted in this animated short.

NPCs:

 * A prototype of Lady Rainicorn debuted in this animated short.

Maps:

 * A prototype of the Ice Kingdom, which can be seen in the background of the Tree Fort Maps, debuted in this animated short.

Banners:

 * Prototypes of Ice King and his Penguins, who are depicted in the Ice King Banner, debuted in this animated short.
 * A prototype of the Ice Kingdom, which is depicted in the Banner of the same name, debuted in this animated short.
 * A prototype of the Ice Kingdom, which is featured in the Lady Rainicorn's Trail Banner, debuted in this animated short.

Profile Icons:

 * A prototype of Ice King, who is featured in the Ice King Profile Icon, debuted in this animated short.

Ringout VFXs:

 * Prototypes of Ice King and his crown, both of which are depicted in the Ice King's Crown Ringout VFX, debuted in this animated short.

Fighters:

 * Finn the Human appears as a Fighter. In addition, Jeremy Shada first voiced Finn in this show.
 * Jake the Dog appears as a Fighter. In addition, John DiMaggio first voiced Jake in this show.

Variants:

 * Finn (Default) appears as a Variant for Finn the Human.

Taunts:

 * Default appears as a Taunt for Finn the Human.
 * Default appears as a Taunt for Jake the Dog.

NPCs:

 * Lady Rainicorn originates from this episode. In addition, Niki Yang first voiced Lady Rainicorn in this episode.
 * The Snail makes a cameo on the Tree Fort Maps.

Maps:

 * The Tree Fort appears as a Map with two variations.

Map Theme Songs:

 * Adventure Time: Tree House, which plays on the Tree Fort Maps, is an orchestral of mix of this show's intro song and outro song ("Come Along With Me").

Announcer Packs:

 * Announcer Pack Finn appears as an Announcer Pack.
 * Announcer Pack Jake appears as an Announcer Pack.
 * Announcer Pack Lady Rainicorn appears as an Announcer Pack.

Badges:

 * Finn Ringouts appears as a Badge.
 * Finn Wins appears as a Badge.

Banners:

 * Fort, Sweet Fort is based on the Tree Fort.
 * Lady Rainicorn's Trail features Lady Rainicorn.

Profile Icons:

 * Hiya Finn is based on Finn the Human.
 * Jake appears as a Profile Icon.
 * Lady Rainicorn appears as a Profile Icon.
 * Peppermint Butler is based on the character of the same name who debuted in this episode.

Ringout VFXs:

 * Jake's Pups features Lady Rainicorn.

Stickers:

 * Finn - Happy appears as a Sticker.

General Perks:

 * The name of the Lumpy Space Punch Offense Perk references the Lumpy Space and Lumpy Space Princess, both of which originate from this episode.

Maps:

 * The Ice Kingdom, which can be seen in the background of the Tree Fort Maps, originates from this episode.

Banners:

 * Ice King and his Penguins, who are depicted in the Ice King Banner, originate from this episode.
 * The Ice Kingdom, which is depicted in the Banner of the same name, originates from this episode.
 * Lady Rainicorn's Trail features the Ice Kingdom.

Profile Icons:

 * Ice King appears as a Profile Icon.

Ringout VFXs:

 * Ice King's Crown appears as a Ringout VFX.

Fighters:

 * Finn the Human's golden sword of battle (also known as Scarlet) originates from this episode.

Fighters:

 * Some of Finn the Human's quotes come from this episode.

Taunts:

 * Jake the Dog's Ballet Taunt references his dance from this episode.

NPCs:

 * A Banana Guard appears as an Assistant.

NPCs:

 * BMO originates from this episode.

Fighters:

 * Some of Finn the Human's quotes come from this episode.

Variants:

 * Pajama Finn appears as a Variant for Finn the Human.

Ringout VFXs:

 * Marceline's Song features Marceline the Vampire Queen.

NPCs:

 * N.E.P.T.R. appears as an Assistant.

Fighters:

 * Some of Finn the Human's quotes come from this episode.

Map Theme Songs:

 * Adventure Time: The Land of Ooo, which plays on the Tree Fort Maps, is a remix mash-up of two songs from this show: "Chip Dip Triple Flips Are Hip" and "Manlorette Party", the first of which was first played in this episode.

NPCs:

 * Niki Yang first voiced BMO in this episode.

Announcer Packs:

 * Announcer Pack BMO appears as an Announcer Pack.

Signature Perks:

 * Going Out of Business appears as a Signature Perk for Finn the Human.
 * On the House! appears as a Signature Perk for Finn the Human.

NPCs:

 * Choose Goose appears in Finn's Grounded Down Special, Sweet Deals!. The Armor Boot and Butt Armor he sells also originate from this episode.

Taunts:

 * Jake the Dog's Dance Taunt references his dance from this episode.

Map Theme Songs:

 * Adventure Time: The Land of Ooo, which plays on the Tree Fort Maps, is a remix mash-up of two songs from this show: "Chip Dip Triple Flips Are Hip" and "Manlorette Party", the second of which was first played in this episode.

Maps:

 * An unused PNG texture depicting the magic wands seen in this episode can be found at the bottom of the Tree Fort (1 vs 1) Map.

Fighters:

 * Some of Finn the Human's quotes come from this episode.

Profile Icons:

 * Pixel Finn is based on Finn the Human's appearance in this episode.

Ringout VFXs:

 * Mushroom Explosion is based on the Mushroom Comet's explosion that comes from this episode. The Lich's laughter can also be heard in it.

Taunts:

 * Finn the Human's Baby Dance Taunt references a scene from this episode.

Variants:

 * Cake, who appears as a "Substitute" Variant for Jake the Dog, originates from this episode. In addition, Roz Ryan first voiced Cake in this episode.

Ringout VFXs:

 * Marceline's Song is based on a scene from this episode.

Variants:

 * Ugly Sweater Finn appears as a Variant for Finn the Human.
 * Ugly Sweater Jake appears as a Variant for Jake the Dog.

Fighters:

 * FP's Burning Love references the events of this episode.

Profile Icons:

 * Bacon Pancakes is based the titular song that was first heard in this episode.

Fighters:

 * The quote said by Finn the Human when purchasing BMO comes from this episode.

Fighters:

 * The axe that Jake the Dog manifests in his Grounded Up Attack, You Axe'd For It!, could be a reference to his "Spikey Jake" transformation from this episode.

Fighters:

 * Jake the Dog's Up Specials, Stretchin' Out, references a scene from this episode.

Signature Perks:

 * Sticky appears as a Signature Perk for Jake the Dog.

Fighters:

 * Jake the Dog's default appearance is based on his modern, season 5 design, which was first seen in this episode.

Variants:

 * Jake (Default) appears as a Variant for Jake the Dog.

Badges:

 * Jake Wins appears as a Badge.

Profile Icons:

 * Jake is based on Jake the Dog's default design.

Stickers:

 * Jake - Sweat appears as a Sticker.
 * Jake - Wink appears as a Sticker.

Fighters:

 * Jake the Dog's idle animation references a scene from this episode.

Ringout VFXs:

 * Jake's Pups is based on Jake the Dog's children who originate from this episode.

Fighters:

 * Some of Finn the Human's quotes come from this episode.

Fighters:

 * One of Jake the Dog's quotes when using Giddy Up! mentions the titular character of this episode.

Fighters:

 * One of Jake the Dog's transformations from his Down Specials, That's Heavy, Dude, is a car, referencing a scene from this episode.

Variants:

 * Fern's Grass Sword originates from this episode.

Ringout VFXs:

 * Blade of Grass depicts Finn holding the titular Blade Sword and is named after this episode.

Ringout VFXs:

 * The four Elemental powers, out of which the candy one is referenced in the Jelly Bean Ringout VFX, were revealed in this episode.

Fighters:

 * The skateboard that Jake the Dog uses in his Aerial Down Attack, Where's My Halfpipe?, comes from this episode. The protective gear he manifests also comes from this episode.

Fighters:

 * Jake the Dog's horse form, in which he manifests into in his Side Specials, Giddy Up!, comes from this episode.

Fighters:

 * Jake the Dog's Grounded Neutral Attack, Eat Spikes!, references a scene from this episode.

Variants:

 * Fern, who appears as a "Substitute" Variant for Finn the Human, originates from this episode.

Variants:

 * Fern, who appears as a "Substitute" Variant for Finn the Human, got its current design from this episode. In addition, Hayden Ezzy first voiced Fern in this episode.

Announcer Packs:

 * Announcer Pack Fern appears as an Announcer Pack.

Variants:

 * Fern's name was revealed in this episode.

Ringout VFXs:

 * Jelly Bean is based on Princess Bubblegum's Elemental candy powers, most notably the ability to fire a stream of jelly beans from her palm, which comes from this episode.

Variants:

 * Jake the Starchild appears as a Variant for Jake the Dog.

Variants:

 * Jake the Dog's Jake the Starchild Variant is named after this episode.

Fighters:

 * One of Jake the Dog's transformations from his Down Specials, That's Heavy, Dude, is a house, referencing a scene from this episode.

Signature Perks:

 * Stay Limber, Dude appears as a Signature Perk for Jake the Dog.

Fighters:

 * One of Jake the Dog's transformations from his Down Specials, That's Heavy, Dude, is a sailboat, referencing a scene from this episode.