It’s been eight days since Jeremy Vuolo became a first-time daddy, and he’s already given himself a nickname! Jinger Duggar‘s hunky hubby has been on diaper duty since baby Felicity’s birth, and Ben Seewald couldn’t help but poke fun at his brother-in-law on Twitter. 

“With newborn Felicity here, @Jeremy_Vuolo says he is now ‘Meconium Man.’ #DaddySuperhero #DiaperDuty.” LOL. 

The couple welcomed their daughter on July 19, and even revealed her (seriously adorable) name. “God is so kind. Jinger gave birth to Felicity Nicole Vuolo this morning at 4:37 a.m.,” the proud papa told Us Weekly. “Felicity weighs eight pounds and three ounces, and is 19.5 inches long. Both mom and baby are healthy, doing great, and resting well. We are very thankful for her safe arrival and look forward to life as parents!”

Although the 30-year-old probably hasn’t had much experience in the diaper department, Jinger does have 18 other siblings he could practice his parenting skills on. Er, at least the little ones! In fact, the former professional soccer player recently hung out with Jessa’s son, Spurgeon, and it looked like he did a fantastic job. “Spurgeon & his little buddy,” Jer captioned a snap of the two-year-old petting a cat. 

Not to mention, he recently had a helping hand while writing one of his sermons. “Friends came from out of town this weekend which meant I had a study buddy to help me with sermon prep!” he wrote on Instagram back in February.

It sounds like Jer has had plenty of practice! Felicity is one lucky little girl.

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