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"), the first of which was first heard at the beginning of this episode.

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.

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"), the second of which was first heard in the ending of 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 on the song of the same name 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.