Nelson Cousin, 28, an Ohio high school track coach, has been fired after police say he texted naked photos to multiple underage students and left his children at home with a dead dog

An Ohio high school track coach and father-of-three has been fired after police say he texted naked photos to multiple underage students and left his children at home with a dead dog.

Court records show 28-year-old Nelson Cousin pleaded not guilty to charges that include child endangerment and violating prohibitions concerning companion animals.

Cousin was placed on paid administrative leave from his position as a teacher's aide and coach at Fostoria Junior/Senior High School in Toledo in March.

The Fostoria school superintendent has confirmed to The Blade that Cousin was fired on Tuesday.

Cousin had worked for the school district since 2011, first as a cross country coach, then as a track and basketball coach and a teacher's aide.

Officers serving a search warrant at Cousin's home in April say they found his three school-aged sons sleeping in the living room on a couch reeking of urine because of a decomposing corpse of a dog in a bedroom.

Records show firefighters had to don oxygen masks to remove the cadaver because of the stench inside the filthy residence.

Deplorable conditions: Officers serving a search warrant at Cousin's home (pictured) say they found his three sons sleeping in the living room on a couch reeking of urine

Cousin's children (pictured with their dad, above), could not sleep in the bedroom because their dead dog was there. The coach told police he thought the pet had been poisoned

According to court documents, Cousin had exchanged inappropriate text messages with at least three students, between the ages 13 and 17, who were all on his track team.

In March 2016, Cousin allegedly sent naked photos of himself to a 16-year-old girl and asked her to reciprocate.

Then in June of that year, the father-of-three allegedly sent nude selfies to a 13-year-ol girl on the track team and asked she send him back 'naughty' photo of herself, according to the documents.

In March and April 2017, Cousin allegedly sent more nude photos of himself to a 17-year-old high school student.

Police said one of the girls sent Cousin a photo of her underwear-clad buttocks, according to reporting by Fox 45 Now.

Cousin was placed on paid leave at work on March 28 after school officials learned of the allegations against him.

When police officers arrived at Cousin’s home in early April to perform a search, they had to leave because the stench inside the trash-filled residence made them feel nauseated.

Cousin had worked at the Fostoria Junior-Senior High School (pictured) since 2011, first as a cross country coach, then as a track and basketball coach and a teacher's aide

When officials returned with protective gear, they found the corpse of a family dog in one of the bedrooms. Bug bombs had been placed on top of the severely decomposed animal to kill maggots.

When asked about the dog, Cousin allegedly told officials he believed the pet had been poisoned.

A second dog, described as a pit bull mix puppy named Scarlet, was removed from the home and was later adopted.

Cousin was criminally charged in May with four counts of child endangerment, three counts of contributing to the unruliness of a child, and one count of violating the prohibitions concerning companion animals.

A search of the Tiffin-Fostoria Municipal Court records has revealed that Cousin’s past transgressions included minor traffic violations involving speeding and failing to wear a seatbelt.