Mr. Mostly Mittens, a 5-year-old pet turtle, is stealing hearts online with his dog-like personality and has already become a social media star 🐶➡️🐢💖br br 📹 Millions of fans are falling in love with the most charismatic turtle on the web!br br 👉 Watch the full video at petepop.com.brbr br 📷 Video: TikTok @mr.