Hadith #4799 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): Abu Bakr bin Abi Shayba أبو بكر بن أبي شيبة, Harithh bin Wahb al-Khza'y, Ma'bad bin Khalid al-Jadli معبد بن خالد الجدلي, Sufyan bin Sa‘id Ath-Thawri سفيان الثوري, Uthman bin Muhammad, Waki' bin al-Jarrah وكيع بن الجراح
Grade: Sahih

The Prophet (ﷺ) said: There is nothing heavier than good character put in the scale of a believer on the Day of Resurrection.
Abu al-Walid said: I heard ‘Ata al-Kaikharani say: Abu Dawud said: His name is ‘Ata b. Ya’qub. He is the maternal uncle of Ibrahim b. Nafi’. He is called Kaikharani or Kukharani.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4799/