Adam Idah knows how to make an impact. The Celtic striker has a knack of popping up in the big moments - something evidenced throughout his fledgling career to date.
There was scoring on his first outing against Rangers - at Ibrox no less, hitting the winner in the Scottish Cup final against the same opposition last May, or the lesser-known incident of scoring an own goal in his debut for Norwich.
Differing outcomes but one common theme, impact.
This afternoon, Idah will be hoping it is more of the former occasions when he takes to the field at Hampden with intentions of picking up the first piece of silverware of the season.
"It was obviously an amazing day," he said of the Scottish Cup final last season. "It was a tough game, we probably didn't play our best that day.
"I think the way the game ended was probably the best way you can do it. Overall it was fantastic and the experience was great.
"It's obviously an exciting challenge but I think from what happened before, I'm going to have to brush that past me now.
"It's happened and it's a new challenge for us. It's going to be a tough game, a tough game again."
With 50,000 inside the national stadium, Idah is in no doubt it'll be a complete contrast to his first taste of cup football - when he netted past his own goalkeeper as Norwich crashed out to Crawley Town.
It was a nightmare experience, but one which has helped stand the striker in good stead as he approaches a powderkeg atmosphere in a cup final derby.
"Shocker of a game," reflected Idah. "I scored an own goal, I think. It was a good experience though.
"These cup games are magical. You see it all the time. Some teams that qualify and it brings a great day for everyone. That's what I've experienced in these cups.
"I've had it previously with Norwich where we've beaten Tottenham. These cup days are special. It'll be a special day on Sunday, especially against them. A big derby, a tough game, so it's exciting."
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Arriving from Norwich last term - initially on loan - Idah was not unfamiliar with the Scottish game having watched Celtic from afar. Little, though, prepared him for the intensity - a characteristic that stretches beyond the pitch on the big occasion.
Republic of Ireland internationalist Idah was fully cognisant of the importance of winning in Scotland, especially in the derby between Celtic and Rangers given his taunting and teasing of former team-mates Kenny McLean and Grant Hanley in previous years.
"I actually remember last year I was going into national duty. It was [Liam] Scalesy's debut, I want to say. They played him and he did brilliantly.
"I've watched all the games. There were a couple of their fans at Norwich. We'd sit and watch the games together. Me and Duff [Shane Duffy] would always be celebrating in front of them. These games, like I said, are special. They're big games. I'm sure everyone will be tuning into them.
On whether McLean was one taking stick being a lifelong Rangers supporter, Idah smirked: "It sure was, him and Grant."
For all the build-up and understanding of the fixture, Idah was still taken aback by the speed of the game in his first taste of a derby in Scotland - with the striker keen to be subbed back off minutes after coming on and scoring.
"I think the biggest shock was probably the intensity," he said. "I remember the one at their place, I remember after about 10 minutes I wanted to come back off. I couldn't breathe.
"I scored the goal. It was a great day. It's a huge game. I think it's watched all over the world. It's massive.
"When you're playing in it, you can tell. You're playing these games. It's a different class. The atmosphere is unbelievable. It's a big day for everyone."
Unfortunately, for Idah, his impact in matches against Rangers has had to come after climbing off the bench with Kyogo Furuhashi preferred from the start.
Brendan Rodgers has rotated his striking options this season meaning it is a toss-up which frontman will be given the nod, Idah, though, has vowed his attitude and objectives won't change either way.
"We've seen it a lot, especially last season, where there were times where I probably didn't start many games and I came on and impacted the game.
"I think that's the mindset I've got in my career and especially this season. It doesn't matter whether I'm starting the game or coming off the bench, I think we all have the same goal in mind and we want to impact any game and just win.
"Regardless of if I start or not, I think everyone wants the same goal at the end of the day.
"We saw it [Kyogo's quality] the other day [against Hibs]. The goal he scored was outrageous.
"There's not many players that could finish like that. Even his first touch, that chance, it's not easy to do. He's a magical player and it's something we need in the team."
