Week Siblings

Sunny redirects here. For the Sunflora that belongs to a trainer who appeared in Grin to Win, see Sonrisa.

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The Week Siblings (Japanese: 曜日兄弟 Weekday Siblings), also known as the Once-a-week Siblings, are seven characters from the Generation II and Generation IV games, Pokémon Gold, Silver, Crystal, HeartGold, and SoulSilver. Each of them appear at a certain location depending on the day of the week. They were one of the original aspects of the game to take advantage of the built-in clock system.

At all times on Route 26, a note in the house of the Week Siblings can be found, saying when and where each will appear. By going to the location on the right day of the week and talking to the Week Sibling, he or she will give players a certain type-enhancing held item. Each item can only be obtained once. If they are visited again they will either have no item () or one of Julia's Ribbons ().

Name	Japanese	Romaji	Day	Location	Item		Enhanced	Ribbon (Generation IV only)
Sunny	ニチオ	Nichio	Sunday	Route 37		Template:Type-enhancing item	Electric	File:SmileRibbonDP.png	Smile Ribbon
Monica	ツキコ	Tsukiko	Monday	Route 40		Sharp Beak	Flying	File:AlertRibbonDP.png	Alert Ribbon
Tuscany	ヒコ	Hiko	Tuesday	Route 29		Pink Bow*	Normal	File:ShockRibbonDP.png	Shock Ribbon
						TwistedSpoon*	Psychic
Wesley	ミズオ	Mizuo	Wednesday	Lake of Rage		Black Belt	Fighting	File:DowncastRibbonDP.png	Downcast Ribbon
Arthur	モクオ	Mokuo	Thursday	Route 36		Hard Stone	Rock	File:CarelessRibbonDP.png	Careless Ribbon
Frieda	カネコ	Kaneko	Friday	Route 32		Poison Barb	Poison	File:RelaxRibbonDP.png	Relax Ribbon
Santos	ツチオ	Tsuchio	Saturday	Blackthorn City		Spell Tag*	Ghost	File:SnoozeRibbonDP.png	Snooze Ribbon
						Soft Sand*	Ground

Trivia

• Coincidentally, the days the Week Siblings do not appear on a route (Wednesday and Saturday) are the days when the Pokémon Crystal move tutor is in Goldenrod City.
• Of all of the Week Siblings, in Generation II, only Sunny gives an item that boosts an elemental type not formerly governed solely by the Attack stat, as well as the only such item with one word in its name.
• Tuscany and Santos are the only ones to change the items given out between generations.
• The Japanese names for the Week Siblings are related to the different readings of the kanji used for the days of the week. For example, the Japanese word for Monday is 'getsuyōbi'　(月曜日), or 'moon day'. The kanji for moon (月) can be pronounced as either 'getsu' or 'tsuki', hence Tsukiko (Monica of Monday), with the traditional feminine suffix '-ko', meaning child.
  • This applies to all except Arthur of Thursday and Sunny of Sunday, whose Japanese names use the same pronunciation as their respective days of the week.

Professor Elm • Professor Oak • Mom • Ethan • Lyra • Silver • Mr. Pokémon • Eusine • Lance • Red • Kiyo • Baoba • Magnus • Earl • Kurt • Carrie • Dude
Mary • Buena • Radio Director • Haircut brothers • Webster • Master • Li • Wilma • Primo • Maximo • Jet • Caitlin • Cynthia • Cameron • Mr. Game • Felicity • Teala
Team Rocket • Gym guide • Gym Leaders • Frontier Brains • Kimono Girls • Week Siblings • Name Rater • Poké Seer • Day-Care Couple • Professor's aides