てぃ先生 is on Twitter (X) as @_HappyBoy, with 642,356 followers and 3,847 posts. It has been on X since September 2012, an account age of 14 years.
Engagement
Early reading. We have captured 1 original post for this account, below the 8 we require before treating a median as settled. The numbers above describe what we have seen so far, not a finished profile of the account.
A typical post picks up 189 interactions against 642K followers, an engagement rate of 0.029%. Posts are seen about 46K times each, and 0.41% of those impressions turn into an interaction. That is about 7.18% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.03 posts a day over the last 30 days, though only 3% of days saw any activity at all.
Measured over 1 original post from a 30-day window, last computed on October 5, 2026.
Full engagement reportFollower growth
Buy or sell Twitter (X) accounts - escrow-protected
PlayerSells is an escrow marketplace for Twitter (X) accounts. Every deal is protected, with no middleman risk.
Check @_HappyBoy with free tools
The same checks work on any X (Twitter) account. Free, no sign-up and no email.
Creator Rank, our free Chrome extension, shows this account's audience rank and Creator Score next to its name on X itself.
Bio
現役18年目の保育士。NHK Eテレ『ハロー!ちびっこモンスター』レギュラーなど。著書は育児本カテゴリ1位・2位を独占。18年の現場の実感と、科学的な裏付けの両方から、今日の子育てにすぐ使えるヒントを発信しています。お仕事依頼はHPか、アミューズまで。
Notable followers
The biggest accounts in our directory following @_HappyBoy.
てぃ先生 on Twitter (X) - frequently asked questions
- What is the Twitter handle for てぃ先生?
- てぃ先生 posts on Twitter (X) as @_HappyBoy. The profile is at x.com/_HappyBoy, and the View on X button at the top of this page opens it.
- How many followers does てぃ先生 have on Twitter?
- てぃ先生 (@_HappyBoy) has 642,356 followers on Twitter (X). The count is refreshed continuously from public data.
- When did てぃ先生 join Twitter?
- てぃ先生 joined Twitter (X) in September 2012. The @_HappyBoy account is 14 years old. Searches for てぃ先生 age often mean a personal age, which we do not publish. The figure here is the account age only.
